[
  {
    "id": "raid",
    "title": "Disk RAID Calculator",
    "slug": "/raid-calculator/",
    "shelf": "storage",
    "kind": "raid",
    "primaryKeyword": "disk raid calculator",
    "secondaryKeywords": [
      "online raid calculator",
      "raid capacity calculator",
      "usable raid storage calculator"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Disk RAID Calculator: Usable Capacity by RAID Level",
    "metaDescription": "Compare usable RAID capacity for RAID 0, 1, 5, 6, 10, 50, 60, JBOD, hot spares, overhead, and TB/TiB display settings.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "raid5",
      "raid6",
      "raid10",
      "mixed-drive-raid",
      "nas-capacity",
      "surveillance-storage"
    ],
    "formulaVersion": "RAID-1.0"
  },
  {
    "id": "raid5",
    "title": "RAID 5 Capacity Calculator",
    "slug": "/raid-5-calculator/",
    "shelf": "storage",
    "kind": "raid5",
    "primaryKeyword": "raid 5 calculator",
    "secondaryKeywords": [
      "raid 5 capacity calculator",
      "raid 5 usable space calculator",
      "raid 5 storage calculator"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "RAID 5 Capacity Calculator: TB, TiB, Parity & Headroom",
    "metaDescription": "Calculate RAID 5 usable capacity in TB and TiB, then account for parity, hot spares, filesystem allowance, free-space reserve, current data, and headroom.",
    "lastReviewed": "2026-07-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "raid",
      "raid6",
      "raid10",
      "mixed-drive-raid",
      "nas-capacity",
      "surveillance-storage"
    ],
    "formulaVersion": "RAID5-1.1"
  },
  {
    "id": "raid6",
    "title": "RAID 6 Calculator",
    "slug": "/raid-6-calculator/",
    "shelf": "storage",
    "kind": "raid6",
    "primaryKeyword": "raid 6 calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "RAID 6 Calculator: Dual-Parity Usable Capacity",
    "metaDescription": "Calculate RAID 6 usable capacity from drive count, drive size, dual-parity reserve, hot spares, overhead, efficiency, and TB/TiB units.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "raid",
      "raid5",
      "raid10",
      "mixed-drive-raid",
      "nas-capacity",
      "surveillance-storage"
    ],
    "formulaVersion": "RAID6-1.0"
  },
  {
    "id": "raid10",
    "title": "RAID 10 Calculator",
    "slug": "/raid-10-calculator/",
    "shelf": "storage",
    "kind": "raid10",
    "primaryKeyword": "raid 10 calculator",
    "secondaryKeywords": [
      "raid 10 capacity calculator",
      "raid 10 usable space calculator",
      "raid 10 storage calculator"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "RAID 10 Calculator: Usable Capacity & Drive Failure Guide",
    "metaDescription": "Calculate RAID 10 usable capacity from drive count, size, hot spares, and filesystem overhead. See mirror pairs, unused drives, efficiency, and failure limits.",
    "lastReviewed": "2026-07-22",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "raid",
      "raid5",
      "raid6",
      "mixed-drive-raid",
      "nas-capacity",
      "surveillance-storage"
    ],
    "formulaVersion": "RAID10-1.1"
  },
  {
    "id": "mixed-drive-raid",
    "title": "Mixed Drive RAID Calculator",
    "slug": "/mixed-drive-raid-calculator/",
    "shelf": "storage",
    "kind": "mixedRaid",
    "primaryKeyword": "mixed drive raid calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Mixed Drive RAID Calculator: Usable Space and Wasted Capacity",
    "metaDescription": "Calculate mixed-drive RAID usable capacity, smallest-drive limit, wasted space, parity reserve, hot-spare impact, and upgrade tradeoffs.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "raid",
      "raid5",
      "raid6",
      "raid10",
      "nas-capacity",
      "surveillance-storage"
    ],
    "formulaVersion": "MIXED_DRIVE_RAID-1.0"
  },
  {
    "id": "nas-capacity",
    "title": "NAS Capacity Calculator",
    "slug": "/nas-capacity-calculator/",
    "shelf": "storage",
    "kind": "nas",
    "primaryKeyword": "nas capacity calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "NAS Capacity Calculator: Bays, RAID, Spares & Headroom",
    "metaDescription": "Plan NAS usable capacity from bays, drive size, RAID mode, hot spares, filesystem overhead, free-space headroom, and TB/TiB units.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "raid",
      "raid5",
      "raid6",
      "raid10",
      "mixed-drive-raid",
      "surveillance-storage"
    ],
    "formulaVersion": "NAS_CAPACITY-1.0"
  },
  {
    "id": "surveillance-storage",
    "title": "CCTV / Surveillance Storage Calculator",
    "slug": "/surveillance-storage-calculator/",
    "shelf": "storage",
    "kind": "surveillance",
    "primaryKeyword": "surveillance storage calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Surveillance Storage Calculator: CCTV Recording Space",
    "metaDescription": "Calculate CCTV or security camera storage from camera count, bitrate, recording hours, motion percentage, retention days, RAID/headroom, and units.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "nas-capacity",
      "raid",
      "memory-card",
      "download-time"
    ],
    "formulaVersion": "SURVEILLANCE_STORAGE-1.0"
  },
  {
    "id": "cctv-storage",
    "title": "CCTV Storage Calculator",
    "slug": "/cctv-storage-calculator/",
    "shelf": "storage",
    "kind": "surveillance",
    "primaryKeyword": "cctv storage calculator formula",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "CCTV Storage Calculator: Recording Formula and Space Estimate",
    "metaDescription": "Estimate CCTV recording storage from camera count, bitrate, compression, recording hours, and retention days.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "raid",
      "raid5",
      "raid6",
      "raid10",
      "mixed-drive-raid",
      "nas-capacity",
      "surveillance-storage"
    ],
    "formulaVersion": "CCTV_STORAGE-1.0"
  },
  {
    "id": "memory-card",
    "title": "Memory Card Calculator",
    "slug": "/memory-card-calculator/",
    "shelf": "storage",
    "kind": "memoryCard",
    "primaryKeyword": "memory card calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "SD Card Calculator: Photos, Video Time & Capacity",
    "metaDescription": "Calculate SD or microSD card capacity for photos and video minutes from card size, file size, bitrate, usable capacity, and safety buffer.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "download-time",
      "surveillance-storage",
      "cctv-storage",
      "nas-capacity",
      "vram",
      "raid"
    ],
    "formulaVersion": "MEMORY_CARD-1.0"
  },
  {
    "id": "download-time",
    "title": "Download Time Calculator",
    "slug": "/download-time-calculator/",
    "shelf": "storage",
    "kind": "download",
    "primaryKeyword": "download time calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Download Time Calculator: GB, Mbps, Gbps & MB/s",
    "metaDescription": "Calculate download or upload time from MB, GB, TB, MiB or GiB and speeds in Mbps, Gbps or MB/s. Compare ideal time, transfer loss and effective speed.",
    "lastReviewed": "2026-07-19",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "memory-card",
      "surveillance-storage",
      "cctv-storage",
      "nas-capacity",
      "vram",
      "cable"
    ],
    "formulaVersion": "DOWNLOAD_TIME-1.2"
  },
  {
    "id": "memory-timing",
    "title": "Memory Timing Calculator",
    "slug": "/memory-timing-calculator/",
    "shelf": "storage",
    "kind": "memoryTiming",
    "primaryKeyword": "memory timing calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "RAM Timing & Latency Calculator: DDR4/DDR5 in ns",
    "metaDescription": "Convert DDR4 or DDR5 MT/s, CL, tRCD, tRP, and tRAS to nanoseconds. Compare two RAM kits side by side with worked examples and clear limitations.",
    "lastReviewed": "2026-07-17",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "vram",
      "memory-card",
      "download-time",
      "surveillance-storage",
      "nas-capacity",
      "raid"
    ],
    "formulaVersion": "MEMORY_TIMING-1.2"
  },
  {
    "id": "cable",
    "title": "Cable Calculator",
    "slug": "/cable-calculator/",
    "shelf": "storage",
    "kind": "cable",
    "primaryKeyword": "cable calculator",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Cable Calculator: Voltage Drop and Wire Size",
    "metaDescription": "Estimate voltage drop from wire gauge, material, current, length, voltage, and phase.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "raid",
      "raid5",
      "raid6",
      "raid10",
      "mixed-drive-raid",
      "nas-capacity",
      "surveillance-storage"
    ],
    "formulaVersion": "CABLE-1.0"
  },
  {
    "id": "vram",
    "title": "VRAM Calculator",
    "slug": "/vram-calculator/",
    "shelf": "storage",
    "kind": "vram",
    "primaryKeyword": "vram calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "VRAM Calculator: Estimate Graphics Memory Needs",
    "metaDescription": "Estimate recommended GPU memory from resolution, quality, monitors, creator workloads, or AI model size.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "raid",
      "raid5",
      "raid6",
      "raid10",
      "mixed-drive-raid",
      "nas-capacity",
      "surveillance-storage"
    ],
    "formulaVersion": "VRAM-1.0"
  },
  {
    "id": "rf-path",
    "title": "RF Path Calculator",
    "slug": "/rf-path-calculator/",
    "shelf": "storage",
    "kind": "rfPath",
    "primaryKeyword": "rf path calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "RF Path Calculator: Free-Space Path Loss and Link Budget",
    "metaDescription": "Estimate free-space path loss, received signal, and fade margin from frequency, distance, and antenna gains.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "raid",
      "raid5",
      "raid6",
      "raid10",
      "mixed-drive-raid",
      "nas-capacity",
      "surveillance-storage"
    ],
    "formulaVersion": "RF_PATH-1.0"
  },
  {
    "id": "windows-storage-spaces",
    "title": "Windows Storage Spaces Calculator",
    "slug": "/windows-storage-spaces-calculator/",
    "shelf": "storage",
    "kind": "storageSpaces",
    "primaryKeyword": "windows storage spaces calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "Windows Storage Spaces Calculator: Mirror and Parity Capacity",
    "metaDescription": "Estimate usable capacity and efficiency for two-way mirror, three-way mirror, or parity layouts.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "raid",
      "raid5",
      "raid6",
      "raid10",
      "mixed-drive-raid",
      "nas-capacity",
      "surveillance-storage"
    ],
    "formulaVersion": "WINDOWS_STORAGE_SPACES-1.0"
  },
  {
    "id": "chmod",
    "title": "Linux Chmod Calculator",
    "slug": "/chmod-calculator/",
    "shelf": "storage",
    "kind": "chmod",
    "primaryKeyword": "linux chmod calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "Linux Chmod Calculator: Numeric and Symbolic Permissions",
    "metaDescription": "Convert read, write, and execute permissions into numeric and symbolic chmod values.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "raid",
      "raid5",
      "raid6",
      "raid10",
      "mixed-drive-raid",
      "nas-capacity",
      "surveillance-storage"
    ],
    "formulaVersion": "CHMOD-1.0"
  },
  {
    "id": "roof",
    "title": "Roof Calculator",
    "slug": "/roof-calculator/",
    "shelf": "home",
    "kind": "roof",
    "primaryKeyword": "roof calculator free",
    "secondaryKeywords": [],
    "riskTier": "estimate",
    "indexStatus": "index",
    "metaTitle": "Roof Area Calculator: Squares, Bundles, Pitch & Waste",
    "metaDescription": "Calculate roof area from footprint and pitch, then estimate roofing squares, shingle bundles, waste factor, material coverage, and cost basis.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "flat-roof",
      "stormwater",
      "solar-load",
      "solar",
      "insulation",
      "stump"
    ],
    "formulaVersion": "ROOF-1.0"
  },
  {
    "id": "flat-roofing-cost",
    "title": "Flat Roofing Cost Calculator",
    "slug": "/flat-roofing-cost-calculator/",
    "shelf": "home",
    "kind": "flatRoof",
    "primaryKeyword": "flat roofing costs calculator",
    "secondaryKeywords": [],
    "riskTier": "estimate",
    "indexStatus": "noindex",
    "metaTitle": "Flat Roofing Cost Calculator: Estimate Flat Roof Project Costs",
    "metaDescription": "Estimate flat-roof surface area, waste, and low/high installed cost range.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "stump-grinding-cost",
      "house-addition",
      "loft-conversion-cost",
      "blown-cellulose-insulation",
      "solar-panel",
      "solar-panel-roof-load"
    ],
    "formulaVersion": "FLAT_ROOFING_COST-1.0"
  },
  {
    "id": "stump-grinding-cost",
    "title": "Stump Grinding Cost Calculator",
    "slug": "/stump-grinding-cost-calculator/",
    "shelf": "home",
    "kind": "stump",
    "primaryKeyword": "stump grinding cost calculator",
    "secondaryKeywords": [],
    "riskTier": "estimate",
    "indexStatus": "noindex",
    "metaTitle": "Stump Grinding Cost Calculator: Estimate Price by Diameter",
    "metaDescription": "Estimate stump grinding cost from diameter, stump count, root complexity, access, and debris add-ons.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "flat-roofing-cost",
      "house-addition",
      "loft-conversion-cost",
      "blown-cellulose-insulation",
      "solar-panel",
      "solar-panel-roof-load"
    ],
    "formulaVersion": "STUMP_GRINDING_COST-1.0"
  },
  {
    "id": "house-addition",
    "title": "House Addition Calculator",
    "slug": "/house-addition-calculator/",
    "shelf": "home",
    "kind": "addition",
    "primaryKeyword": "house addition calculator",
    "secondaryKeywords": [],
    "riskTier": "estimate",
    "indexStatus": "noindex",
    "metaTitle": "House Addition Calculator: Estimate Cost by Square Foot",
    "metaDescription": "Estimate a low/mid/high addition range from square footage, finish level, and location multiplier.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "flat-roofing-cost",
      "stump-grinding-cost",
      "loft-conversion-cost",
      "blown-cellulose-insulation",
      "solar-panel",
      "solar-panel-roof-load"
    ],
    "formulaVersion": "HOUSE_ADDITION-1.0"
  },
  {
    "id": "loft-conversion-cost",
    "title": "Loft Conversion Cost Calculator",
    "slug": "/loft-conversion-cost-calculator/",
    "shelf": "home",
    "kind": "loft",
    "primaryKeyword": "loft conversion cost calculator",
    "secondaryKeywords": [],
    "riskTier": "estimate",
    "indexStatus": "noindex",
    "metaTitle": "Loft Conversion Cost Calculator: Estimate Conversion Costs",
    "metaDescription": "Estimate loft conversion cost ranges from size, finish level, and regional pricing assumptions.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "flat-roofing-cost",
      "stump-grinding-cost",
      "house-addition",
      "blown-cellulose-insulation",
      "solar-panel",
      "solar-panel-roof-load"
    ],
    "formulaVersion": "LOFT_CONVERSION_COST-1.0"
  },
  {
    "id": "blown-cellulose-insulation",
    "title": "Blown Cellulose Insulation Calculator",
    "slug": "/blown-cellulose-insulation-calculator/",
    "shelf": "home",
    "kind": "insulation",
    "primaryKeyword": "blown cellulose insulation calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "Blown Cellulose Insulation Calculator: Bags and Coverage",
    "metaDescription": "Estimate cellulose bags, added R-value, depth, and material cost from attic area and coverage.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "flat-roofing-cost",
      "stump-grinding-cost",
      "house-addition",
      "loft-conversion-cost",
      "solar-panel",
      "solar-panel-roof-load"
    ],
    "formulaVersion": "BLOWN_CELLULOSE_INSULATION-1.0"
  },
  {
    "id": "solar-panel",
    "title": "Solar Panel Calculator",
    "slug": "/solar-panel-calculator/",
    "shelf": "home",
    "kind": "solar",
    "primaryKeyword": "home solar panel calculator",
    "secondaryKeywords": [],
    "riskTier": "estimate",
    "indexStatus": "noindex",
    "metaTitle": "Solar Panel Calculator: Estimate Panels and System Size",
    "metaDescription": "Estimate solar system size, panel count, roof area, and rough cost range from monthly usage and sun hours.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "flat-roofing-cost",
      "stump-grinding-cost",
      "house-addition",
      "loft-conversion-cost",
      "blown-cellulose-insulation",
      "solar-panel-roof-load"
    ],
    "formulaVersion": "SOLAR_PANEL-1.0"
  },
  {
    "id": "solar-panel-roof-load",
    "title": "Solar Panel Roof Load Calculator",
    "slug": "/solar-panel-roof-load-calculator/",
    "shelf": "home",
    "kind": "solarLoad",
    "primaryKeyword": "solar panel roof load calculator",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Solar Panel Roof Load Calculator: Added Weight Estimate",
    "metaDescription": "Estimate added roof load from panel count, panel weight, hardware, and roof area.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "flat-roofing-cost",
      "stump-grinding-cost",
      "house-addition",
      "loft-conversion-cost",
      "blown-cellulose-insulation",
      "solar-panel"
    ],
    "formulaVersion": "SOLAR_PANEL_ROOF_LOAD-1.0"
  },
  {
    "id": "stormwater",
    "title": "Stormwater Calculator",
    "slug": "/stormwater-calculator/",
    "shelf": "home",
    "kind": "stormwater",
    "primaryKeyword": "stormwater calculator",
    "secondaryKeywords": [],
    "riskTier": "estimate",
    "indexStatus": "noindex",
    "metaTitle": "Stormwater Calculator: Runoff Volume and Drainage Estimate",
    "metaDescription": "Estimate runoff volume and rain-barrel count from roof area, impervious area, rainfall, and runoff coefficient.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "flat-roofing-cost",
      "stump-grinding-cost",
      "house-addition",
      "loft-conversion-cost",
      "blown-cellulose-insulation",
      "solar-panel"
    ],
    "formulaVersion": "STORMWATER-1.0"
  },
  {
    "id": "rhino-board-ceiling",
    "title": "Rhino Board Ceiling Calculator",
    "slug": "/rhino-board-ceiling-calculator/",
    "shelf": "home",
    "kind": "boards",
    "primaryKeyword": "rhino board ceiling calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "Rhino Board Ceiling Calculator: Boards, Screws, and Jointing Material",
    "metaDescription": "Estimate ceiling board quantities, waste, and material cost from room dimensions and board coverage.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "flat-roofing-cost",
      "stump-grinding-cost",
      "house-addition",
      "loft-conversion-cost",
      "blown-cellulose-insulation",
      "solar-panel"
    ],
    "formulaVersion": "RHINO_BOARD_CEILING-1.0"
  },
  {
    "id": "pipe-offset",
    "title": "Pipe Offset Calculator",
    "slug": "/pipe-offset-calculator/",
    "shelf": "home",
    "kind": "pipeOffset",
    "primaryKeyword": "pipe offset calculator app",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "Pipe Offset Calculator: Travel Length and Rolling Offset",
    "metaDescription": "Calculate travel length and setback for a pipe offset from angle and offset distance.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "flat-roofing-cost",
      "stump-grinding-cost",
      "house-addition",
      "loft-conversion-cost",
      "blown-cellulose-insulation",
      "solar-panel"
    ],
    "formulaVersion": "PIPE_OFFSET-1.0"
  },
  {
    "id": "wire-mesh",
    "title": "Wire Mesh Calculator",
    "slug": "/wire-mesh-calculator/",
    "shelf": "home",
    "kind": "mesh",
    "primaryKeyword": "wire mesh calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "Wire Mesh Calculator: Sheets, Rolls, Overlap, and Waste",
    "metaDescription": "Estimate mesh units, waste, and cost from covered area and sheet or roll coverage.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "flat-roofing-cost",
      "stump-grinding-cost",
      "house-addition",
      "loft-conversion-cost",
      "blown-cellulose-insulation",
      "solar-panel"
    ],
    "formulaVersion": "WIRE_MESH-1.0"
  },
  {
    "id": "brick-walkway",
    "title": "Brick Walkway Calculator",
    "slug": "/brick-walkway-calculator/",
    "shelf": "home",
    "kind": "brick",
    "primaryKeyword": "brick calculator for walkway",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "Brick Walkway Calculator: Pavers, Sand, Base, and Edging",
    "metaDescription": "Estimate brick or paver count, waste, and cost from walkway dimensions and unit coverage.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "flat-roofing-cost",
      "stump-grinding-cost",
      "house-addition",
      "loft-conversion-cost",
      "blown-cellulose-insulation",
      "solar-panel"
    ],
    "formulaVersion": "BRICK_WALKWAY-1.0"
  },
  {
    "id": "stair-stringer",
    "title": "Stair Stringer Calculator",
    "slug": "/stair-stringer-calculator/",
    "shelf": "home",
    "kind": "stairs",
    "primaryKeyword": "easy stair calculator",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Stair Stringer Calculator: Rise, Run, and Stringer Length",
    "metaDescription": "Estimate riser count, riser height, run, and stringer length from total rise and tread assumptions.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "roof",
      "flat-roofing-cost",
      "stump-grinding-cost",
      "house-addition",
      "loft-conversion-cost",
      "blown-cellulose-insulation",
      "solar-panel"
    ],
    "formulaVersion": "STAIR_STRINGER-1.0"
  },
  {
    "id": "pool-chemical",
    "title": "Pool Chemical Calculator",
    "slug": "/pool-chemical-calculator/",
    "shelf": "pool",
    "kind": "poolChem",
    "primaryKeyword": "swimming pool calculator for chemicals",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Pool Chemical Calculator: Estimate Chlorine, pH, and Water Balance",
    "metaDescription": "Plan conservative chlorine, pH, alkalinity, and stabilizer adjustments from current readings, target readings, and test confidence.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "pool-volume",
      "chlorine",
      "pool-ph",
      "pool-alkalinity",
      "saltwater-pool",
      "pool-water-balance"
    ],
    "formulaVersion": "POOL_CHEMICAL-1.0"
  },
  {
    "id": "pool-volume",
    "title": "Pool Volume Calculator",
    "slug": "/pool-volume-calculator/",
    "shelf": "pool",
    "kind": "poolVolume",
    "primaryKeyword": "pool volume calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "Pool Volume Calculator: Gallons for Any Pool Shape",
    "metaDescription": "Estimate pool gallons from shape, dimensions, and average depth before dosing chemicals.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "pool-chemical",
      "chlorine",
      "pool-ph",
      "pool-alkalinity",
      "pool-stabilizer",
      "saltwater-pool",
      "pool-water-balance"
    ],
    "formulaVersion": "POOL_VOLUME-1.0"
  },
  {
    "id": "chlorine",
    "title": "Chlorine Calculator",
    "slug": "/chlorine-calculator/",
    "shelf": "pool",
    "kind": "chlorine",
    "primaryKeyword": "chlorine calculator",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Chlorine Calculator: Raise Free Chlorine by Pool Size",
    "metaDescription": "Estimate liquid chlorine needed to raise free chlorine for a known pool volume and product strength.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "pool-chemical",
      "pool-volume",
      "pool-ph",
      "pool-alkalinity",
      "pool-stabilizer",
      "saltwater-pool",
      "pool-water-balance"
    ],
    "formulaVersion": "CHLORINE-1.0"
  },
  {
    "id": "pool-ph",
    "title": "Pool pH Calculator",
    "slug": "/pool-ph-calculator/",
    "shelf": "pool",
    "kind": "poolPh",
    "primaryKeyword": "pool ph calculator",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Pool pH Calculator: Estimate pH Adjustment",
    "metaDescription": "Plan a cautious pH adjustment direction from current and target readings.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "pool-chemical",
      "pool-volume",
      "chlorine",
      "pool-alkalinity",
      "pool-stabilizer",
      "saltwater-pool",
      "pool-water-balance"
    ],
    "formulaVersion": "POOL_PH-1.0"
  },
  {
    "id": "pool-alkalinity",
    "title": "Pool Alkalinity Calculator",
    "slug": "/pool-alkalinity-calculator/",
    "shelf": "pool",
    "kind": "alkalinity",
    "primaryKeyword": "pool alkalinity calculator",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Pool Alkalinity Calculator: Raise or Lower Alkalinity",
    "metaDescription": "Estimate alkalinity adjustment amount from pool volume and desired ppm change.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "pool-chemical",
      "pool-volume",
      "chlorine",
      "pool-ph",
      "pool-stabilizer",
      "saltwater-pool",
      "pool-water-balance"
    ],
    "formulaVersion": "POOL_ALKALINITY-1.0"
  },
  {
    "id": "pool-stabilizer",
    "title": "Pool Stabilizer Calculator",
    "slug": "/pool-stabilizer-calculator/",
    "shelf": "pool",
    "kind": "stabilizer",
    "primaryKeyword": "pool stabilizer calculator",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Pool Stabilizer Calculator: Cyanuric Acid Amount",
    "metaDescription": "Estimate stabilizer change from pool volume and target CYA increase.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "pool-chemical",
      "pool-volume",
      "chlorine",
      "pool-ph",
      "pool-alkalinity",
      "saltwater-pool",
      "pool-water-balance"
    ],
    "formulaVersion": "POOL_STABILIZER-1.0"
  },
  {
    "id": "saltwater-pool",
    "title": "Saltwater Pool Calculator",
    "slug": "/saltwater-pool-calculator/",
    "shelf": "pool",
    "kind": "salt",
    "primaryKeyword": "saltwater pool calculator",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Saltwater Pool Calculator: Salt Needed by Pool Volume",
    "metaDescription": "Estimate salt additions for a saltwater chlorine generator target range.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "pool-chemical",
      "pool-volume",
      "chlorine",
      "pool-ph",
      "pool-alkalinity",
      "pool-stabilizer",
      "pool-water-balance"
    ],
    "formulaVersion": "SALTWATER_POOL-1.0"
  },
  {
    "id": "pool-water-balance",
    "title": "Pool Water Balance Calculator",
    "slug": "/pool-water-balance-calculator/",
    "shelf": "pool",
    "kind": "waterBalance",
    "primaryKeyword": "water balance calculator",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Pool Water Balance Calculator: Basic Adjustment Priority",
    "metaDescription": "Check common pH, alkalinity, and stabilizer ranges and which reading to address first.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "pool-chemical",
      "pool-volume",
      "chlorine",
      "pool-ph",
      "pool-alkalinity",
      "pool-stabilizer",
      "saltwater-pool"
    ],
    "formulaVersion": "POOL_WATER_BALANCE-1.0"
  },
  {
    "id": "chemical-dosing",
    "title": "Chemical Dosing Calculator",
    "slug": "/chemical-dosing-calculator/",
    "shelf": "pool",
    "kind": "chemicalDose",
    "primaryKeyword": "chemical dosing calculator",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Chemical Dosing Calculator: PPM Dose and Concentration",
    "metaDescription": "Estimate a generic dose amount from volume, desired ppm change, and product concentration factor.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "pool-chemical",
      "pool-volume",
      "chlorine",
      "pool-ph",
      "pool-alkalinity",
      "pool-stabilizer",
      "saltwater-pool"
    ],
    "formulaVersion": "CHEMICAL_DOSING-1.0"
  },
  {
    "id": "aquarium-ammonia",
    "title": "Aquarium Ammonia Calculator",
    "slug": "/aquarium-ammonia-calculator/",
    "shelf": "pool",
    "kind": "ammonia",
    "primaryKeyword": "ammonia calculator aquarium",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Aquarium Ammonia Calculator: Estimate Free Ammonia",
    "metaDescription": "Estimate free ammonia from total ammonia, pH, and temperature with a conservative toxicity warning.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "pool-chemical",
      "pool-volume",
      "chlorine",
      "pool-ph",
      "pool-alkalinity",
      "pool-stabilizer",
      "saltwater-pool"
    ],
    "formulaVersion": "AQUARIUM_AMMONIA-1.0"
  },
  {
    "id": "car-shipping-estimate",
    "title": "Car Shipping Calculator",
    "slug": "/car-shipping-estimate-calculator/",
    "shelf": "shipping",
    "kind": "carShip",
    "primaryKeyword": "car shipping estimate calculator",
    "secondaryKeywords": [
      "car shipping cost calculator",
      "auto transport cost calculator",
      "vehicle shipping cost estimator"
    ],
    "riskTier": "estimate",
    "indexStatus": "index",
    "metaTitle": "Car Shipping Cost Calculator: Open vs Enclosed Quote Range",
    "metaDescription": "Estimate a car shipping range from route miles, base rate, open or enclosed transport, vehicle condition, pickup timing, and a visible uncertainty band.",
    "lastReviewed": "2026-07-23",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "lcl",
      "pallet",
      "warehouse",
      "ramp",
      "download-time"
    ],
    "formulaVersion": "CAR_SHIPPING_ESTIMATE-1.1"
  },
  {
    "id": "lcl-shipping",
    "title": "LCL Shipping Calculator",
    "slug": "/lcl-shipping-calculator/",
    "shelf": "shipping",
    "kind": "lcl",
    "primaryKeyword": "lcl shipping calculator",
    "secondaryKeywords": [],
    "riskTier": "estimate",
    "indexStatus": "noindex",
    "metaTitle": "LCL Shipping Calculator: CBM and Chargeable Weight",
    "metaDescription": "Estimate LCL chargeable measure from package dimensions, piece count, weight, and freight fees.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "car-shipping-estimate",
      "pallet",
      "warehouse-storage-cost",
      "trailer-ramp"
    ],
    "formulaVersion": "LCL_SHIPPING-1.0"
  },
  {
    "id": "pallet",
    "title": "Pallet Calculator",
    "slug": "/pallet-calculator/",
    "shelf": "shipping",
    "kind": "pallet",
    "primaryKeyword": "pallet calculator online",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "Pallet Calculator: Boxes Per Pallet and Utilization",
    "metaDescription": "Estimate boxes per pallet from carton dimensions, pallet size, and maximum stack height.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "car-shipping-estimate",
      "lcl-shipping",
      "warehouse-storage-cost",
      "trailer-ramp"
    ],
    "formulaVersion": "PALLET-1.0"
  },
  {
    "id": "warehouse-storage-cost",
    "title": "Warehouse Storage Cost Calculator",
    "slug": "/warehouse-storage-cost-calculator/",
    "shelf": "shipping",
    "kind": "warehouse",
    "primaryKeyword": "warehouse storage cost calculator",
    "secondaryKeywords": [],
    "riskTier": "estimate",
    "indexStatus": "noindex",
    "metaTitle": "Warehouse Storage Cost Calculator: Pallet and Order Storage Costs",
    "metaDescription": "Estimate storage, handling, and pick fees from pallet count, days, and order activity.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "car-shipping-estimate",
      "lcl-shipping",
      "pallet",
      "trailer-ramp"
    ],
    "formulaVersion": "WAREHOUSE_STORAGE_COST-1.0"
  },
  {
    "id": "trailer-ramp",
    "title": "Trailer Ramp Calculator",
    "slug": "/trailer-ramp-calculator/",
    "shelf": "shipping",
    "kind": "ramp",
    "primaryKeyword": "trailer ramp calculator",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Trailer Ramp Calculator: Ramp Angle and Recommended Length",
    "metaDescription": "Estimate ramp angle and recommended ramp length from deck height and target loading angle.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "car-shipping-estimate",
      "lcl-shipping",
      "pallet",
      "warehouse-storage-cost"
    ],
    "formulaVersion": "TRAILER_RAMP-1.0"
  },
  {
    "id": "wrapping-paper",
    "title": "Wrapping Paper Calculator",
    "slug": "/wrapping-paper-calculator/",
    "shelf": "lifestyle",
    "kind": "wrapping",
    "primaryKeyword": "wrapping paper calculator",
    "secondaryKeywords": [
      "gift wrap calculator",
      "wrapping paper size calculator",
      "how much wrapping paper do I need"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Wrapping Paper Calculator: Cut Size & Rolls Needed",
    "metaDescription": "Calculate wrapping paper cut size and rolls needed from box dimensions, overlap, roll width, and roll length, including one-piece fit and leftover length.",
    "lastReviewed": "2026-07-20",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "dry-ice",
      "tie",
      "pallet",
      "warehouse"
    ],
    "formulaVersion": "WRAPPING_PAPER-2.0"
  },
  {
    "id": "pinhole-exposure",
    "title": "Pinhole Camera Exposure Calculator",
    "slug": "/pinhole-camera-exposure-calculator/",
    "shelf": "lifestyle",
    "kind": "pinholeExposure",
    "primaryKeyword": "pinhole camera exposure calculator",
    "secondaryKeywords": [
      "pinhole f number calculator",
      "pinhole exposure time calculator",
      "pinhole diameter calculator"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Pinhole Camera Exposure Calculator: f-Number & Shutter Time",
    "metaDescription": "Estimate a pinhole camera equivalent f-number, relative exposure multiplier, shutter time, and suggested pinhole diameter from focal distance and hole size.",
    "lastReviewed": "2026-07-25",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "wrapping-paper",
      "memory-timing"
    ],
    "formulaVersion": "PINHOLE_EXPOSURE-1.0"
  },
  {
    "id": "necktie-length",
    "title": "Necktie Length Calculator",
    "slug": "/necktie-length-calculator/",
    "shelf": "lifestyle",
    "kind": "tie",
    "primaryKeyword": "necktie length calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "Necktie Length Calculator: Standard or Extra-Long Tie",
    "metaDescription": "Estimate standard versus extra-long tie length from wearer height, neck size, and knot style.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "wrapping-paper",
      "dry-ice",
      "snow-day"
    ],
    "formulaVersion": "NECKTIE_LENGTH-1.0"
  },
  {
    "id": "dry-ice",
    "title": "Dry Ice Calculator",
    "slug": "/dry-ice-calculator/",
    "shelf": "lifestyle",
    "kind": "dryIce",
    "primaryKeyword": "dry ice calculator",
    "secondaryKeywords": [],
    "riskTier": "safety",
    "indexStatus": "noindex",
    "metaTitle": "Dry Ice Calculator: Cooler Duration Estimate",
    "metaDescription": "Estimate dry ice pounds for cooler size, trip length, insulation level, and frozen/chilled use.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "wrapping-paper",
      "necktie-length",
      "snow-day"
    ],
    "formulaVersion": "DRY_ICE-1.0"
  },
  {
    "id": "snow-day",
    "title": "Snow Day Calculator",
    "slug": "/snow-day-calculator/",
    "shelf": "lifestyle",
    "kind": "snow",
    "primaryKeyword": "snow day calculator accuracy",
    "secondaryKeywords": [],
    "riskTier": "estimate",
    "indexStatus": "noindex",
    "metaTitle": "Snow Day Calculator: Manual Snow Day Chance Estimator",
    "metaDescription": "Score a fun snow-day chance from snow, temperature, ice, wind, and district strictness.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "wrapping-paper",
      "necktie-length",
      "dry-ice"
    ],
    "formulaVersion": "SNOW_DAY-1.0"
  },
  {
    "id": "run-race-pace",
    "title": "Run Race Pace Calculator",
    "slug": "/run-race-pace-calculator/",
    "shelf": "sports",
    "kind": "racePace",
    "primaryKeyword": "run race pace calculator",
    "secondaryKeywords": [
      "running pace calculator",
      "race pace per mile calculator",
      "5k pace calculator",
      "10k pace calculator",
      "half marathon pace calculator",
      "marathon pace calculator"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Run Race Pace Calculator: Pace Per Mile, KM, and Finish Time",
    "metaDescription": "Calculate running pace per mile and per kilometer from race distance and finish time, then project that pace to 5K, 10K, half marathon, or marathon distance.",
    "lastReviewed": "2026-07-08",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "cross-country-ski-size",
      "snow-day"
    ],
    "formulaVersion": "RUN_RACE_PACE-1.0"
  },
  {
    "id": "hang-time",
    "title": "Hang Time Calculator",
    "slug": "/hang-time-calculator/",
    "shelf": "sports",
    "kind": "hangTime",
    "primaryKeyword": "hang time calculator",
    "secondaryKeywords": [
      "jump hang time calculator",
      "airtime to jump height calculator",
      "vertical jump airtime calculator"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Hang Time Calculator: Airtime, Jump Height & Takeoff Speed",
    "metaDescription": "Convert measured airtime to estimated vertical rise and takeoff speed, or enter vertical takeoff speed to estimate airtime using same-height projectile motion.",
    "lastReviewed": "2026-07-22",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "run-race-pace",
      "cross-country-ski-size"
    ],
    "formulaVersion": "HANG_TIME-1.0"
  },
  {
    "id": "cross-country-ski-size",
    "title": "Cross Country Ski Size Calculator",
    "slug": "/cross-country-ski-size-calculator/",
    "shelf": "sports",
    "kind": "ski",
    "primaryKeyword": "cross country ski size calculator",
    "secondaryKeywords": [],
    "riskTier": "low",
    "indexStatus": "noindex",
    "metaTitle": "Cross Country Ski Size Calculator: Classic, Skate, and Backcountry Size",
    "metaDescription": "Estimate classic, skate, or backcountry ski length from height, weight, style, and flex preference.",
    "lastReviewed": "2026-06-24",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [],
    "formulaVersion": "CROSS_COUNTRY_SKI_SIZE-1.0"
  },
  {
    "id": "reverse-margin",
    "title": "Reverse Margin Calculator",
    "slug": "/reverse-margin-calculator/",
    "shelf": "business",
    "kind": "reverseMargin",
    "primaryKeyword": "reverse margin calculator",
    "secondaryKeywords": [
      "gross margin calculator",
      "margin to markup calculator",
      "selling price from margin calculator",
      "target margin calculator"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Reverse Margin Calculator: Price, Cost & Markup",
    "metaDescription": "Find allowable cost or selling price from a target gross margin, then compare gross profit, margin, markup, and cost share per unit.",
    "lastReviewed": "2026-07-20",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "car-shipping-estimate",
      "warehouse-storage-cost",
      "pallet"
    ],
    "formulaVersion": "REVERSE_MARGIN-1.0"
  },
  {
    "id": "linear-system",
    "title": "System of Equations Calculator",
    "slug": "/linear-system-calculator/",
    "shelf": "math",
    "kind": "linearSystem",
    "primaryKeyword": "matrix to solve system of equations calculator",
    "secondaryKeywords": [
      "system of equations calculator",
      "linear equations calculator",
      "gaussian elimination calculator",
      "2x2 system solver",
      "3x3 system solver"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaDescription": "Solve 2x2 or 3x3 systems of linear equations with Gaussian elimination, solution type, determinant, residual, and clear limits.",
    "lastReviewed": "2026-07-31",
    "metaTitle": "System of Equations Calculator: 2\u00d72 and 3\u00d73 Solutions",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "download-time",
      "memory-timing",
      "hang-time"
    ],
    "formulaVersion": "LINEAR-SYSTEM-1.0"
  },
  {
    "id": "ideal-rocket-equation",
    "title": "Rocket Equation Calculator",
    "slug": "/rocket-equation-calculator/",
    "shelf": "math",
    "kind": "idealRocket",
    "primaryKeyword": "rocket equation calculator",
    "secondaryKeywords": [
      "ideal rocket equation calculator",
      "delta v calculator",
      "tsiolkovsky rocket equation calculator"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Rocket Equation Calculator: Delta-v, Mass Ratio & Isp",
    "metaDescription": "Calculate ideal rocket delta-v from wet mass, dry mass, and specific impulse. See mass ratio, propellant fraction, exhaust velocity, formula, and limits.",
    "lastReviewed": "2026-07-31",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "linear-system",
      "hang-time",
      "pinhole-exposure"
    ],
    "formulaVersion": "IDEAL_ROCKET_EQUATION-1.0"
  },
  {
    "id": "homeschool-gpa",
    "title": "Homeschool GPA Calculator",
    "slug": "/homeschool-gpa-calculator/",
    "shelf": "math",
    "kind": "homeschoolGpa",
    "primaryKeyword": "homeschool gpa calculator",
    "secondaryKeywords": [
      "homeschool weighted gpa calculator",
      "homeschool transcript gpa calculator",
      "credit weighted gpa calculator"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Homeschool GPA Calculator: Weighted & Unweighted GPA",
    "metaDescription": "Calculate credit-weighted homeschool GPA with entered 0\u20134 grade points and optional honors or advanced-course weight. See quality points and transcript cautions.",
    "lastReviewed": "2026-07-31",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "linear-system",
      "ideal-rocket-equation",
      "reverse-margin"
    ],
    "formulaVersion": "CREDIT_WEIGHTED_GPA-1.0"
  },
  {
    "id": "pallet-volume",
    "title": "Pallet Volume Calculator",
    "slug": "/pallet-volume-calculator/",
    "shelf": "shipping",
    "kind": "palletVolume",
    "primaryKeyword": "pallet volume calculator",
    "secondaryKeywords": [
      "pallet cubic feet calculator",
      "pallet cubic meter calculator",
      "pallet cbm calculator"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Pallet Volume Calculator: Cubic Feet, CBM & Footprint",
    "metaDescription": "Calculate loaded pallet volume in cubic feet and cubic meters from length, width, loaded height, pallet count, and inches or centimeters.",
    "lastReviewed": "2026-07-31",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "pallet",
      "lcl",
      "warehouse"
    ],
    "formulaVersion": "PALLET_VOLUME-1.0"
  },
  {
    "id": "translation-cost",
    "title": "Translation Cost Calculator",
    "slug": "/translation-cost-calculator/",
    "shelf": "business",
    "kind": "translationCost",
    "primaryKeyword": "translation cost calculator",
    "secondaryKeywords": [
      "translation price per word calculator",
      "document translation cost calculator",
      "translation quote calculator"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Translation Cost Calculator: Per-Word Rate, Minimum & Fees",
    "metaDescription": "Build an input-based translation cost estimate from word count, rate per word, minimum charge, fixed project fees, and discount.",
    "lastReviewed": "2026-07-31",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "reverse-margin",
      "warehouse",
      "car-shipping-estimate"
    ],
    "formulaVersion": "TRANSLATION_COST-1.0"
  },
  {
    "id": "christmas-light-energy-cost",
    "title": "Christmas Light Energy Cost Calculator",
    "slug": "/christmas-light-energy-cost-calculator/",
    "shelf": "home",
    "kind": "lightingEnergy",
    "primaryKeyword": "christmas light energy cost calculator",
    "secondaryKeywords": [
      "christmas lights electricity cost calculator",
      "holiday light energy calculator",
      "string light electricity cost"
    ],
    "riskTier": "low",
    "indexStatus": "index",
    "metaTitle": "Christmas Light Energy Cost Calculator: kWh & Running Cost",
    "metaDescription": "Calculate holiday or Christmas light energy use and cost from string count, watts per set, hours per day, display days, and electricity price per kWh.",
    "lastReviewed": "2026-07-31",
    "faqSchemaEnabled": true,
    "softwareApplicationSchemaEnabled": true,
    "relatedCalculators": [
      "solar-panel",
      "reverse-margin",
      "roof"
    ],
    "formulaVersion": "LIGHTING_ENERGY_COST-1.0"
  }
]