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See smallest-drive loss, parity or mirror reserve, unpaired RAID 10 space and installed-drive efficiency.", "lastReviewed": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "nas-capacity", "raid", "raid5", "raid6", "raid10", "surveillance-storage" ], "formulaVersion": "MIXED_DRIVE_RAID-2.1", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [], "calculationModule": "tools/calculators-runtime-source.js#mixedRaid", "availability": "ready", "safetyRisk": "low" }, { "id": "nas-capacity", "title": "NAS Capacity Calculator", "slug": "/nas-capacity-calculator/", "shelf": "storage", "kind": "nas", "primaryKeyword": "nas capacity calculator", "secondaryKeywords": [ "tebibyte NAS capacity", "TiB usable storage" ], "riskTier": "low", "indexStatus": "index", "metaTitle": "NAS Capacity Calculator: Bays, RAID, Spares & Headroom", "metaDescription": "Compare usable NAS capacity with your target using equal drives, RAID, spares and an entered storage allowance. Invalid active-drive layouts are rejected.", "lastReviewed": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "raid", "download-time", "raid5", "raid6", "raid10", "mixed-drive-raid", "surveillance-storage" ], "formulaVersion": "NAS-2.1", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [], "calculationModule": "tools/calculators-runtime-source.js#nas", "availability": "ready", "safetyRisk": "low" }, { "id": "surveillance-storage", "title": "CCTV / Surveillance Storage Calculator", "slug": "/surveillance-storage-calculator/", "shelf": "storage", "kind": "surveillance", "primaryKeyword": "surveillance storage calculator", "secondaryKeywords": [ "cctv bitrate retention days" ], "riskTier": "low", "indexStatus": "index", "metaTitle": "Surveillance Storage Calculator: CCTV Recording Space", "metaDescription": "Estimate camera recording storage from measured encoded bitrate and retention, then add an explicit entered headroom allowance. 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Compare ideal time, transfer loss and effective speed.", "lastReviewed": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "memory-card", "surveillance-storage", "nas-capacity", "vram", "cable" ], "formulaVersion": "DOWNLOAD_TIME-1.3", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [ "file transfer upload download how long duration speed" ], "calculationModule": "tools/calculators-runtime-source.js#download", "availability": "ready", "safetyRisk": "low" }, { "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": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "vram", "memory-card", "download-time", "surveillance-storage", "nas-capacity", "raid" ], "formulaVersion": "MEMORY_TIMING-1.3", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [], "calculationModule": "tools/calculators-runtime-source.js#memoryTiming", "availability": "ready", "safetyRisk": "low" }, { "id": "cable", "title": "Cable Planning Guide", "slug": "/cable-calculator/", "shelf": "storage", "kind": "cable", "primaryKeyword": "cable calculator", "secondaryKeywords": [], "riskTier": "safety", "indexStatus": "noindex", "metaTitle": "Cable Planning Guide", "metaDescription": "Prepare conductor, circuit, installation and protection details for a qualified electrical assessment. This guide does not approve wire sizes or circuit safety.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "raid", "raid5", "raid6", "raid10", "mixed-drive-raid", "nas-capacity", "surveillance-storage" ], "formulaVersion": "CABLE-1.0", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Cable Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#cable", "availability": "review-held", "safetyRisk": "safety" }, { "id": "vram", "title": "VRAM Calculator", "slug": "/vram-calculator/", "shelf": "storage", "kind": "vram", "primaryKeyword": "vram calculator", "secondaryKeywords": [], "riskTier": "low", "indexStatus": "index", "metaTitle": "VRAM Calculator: AI Model Weight Memory", "metaDescription": "Calculate densely stored model-weight bytes and GiB from parameter count and precision, then add an explicitly entered memory allowance. No GPU performance prediction.", "lastReviewed": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "memory-timing", "download-time", "memory-card", "cable" ], "formulaVersion": "VRAM-2.1", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [ "AI weight memory", "model memory", "VRAM weight storage" ], "calculationModule": "tools/calculators-runtime-source.js#vram", "availability": "ready", "safetyRisk": "low" }, { "id": "rf-path", "title": "RF Path Planning Guide", "slug": "/rf-path-calculator/", "shelf": "storage", "kind": "rfPath", "primaryKeyword": "rf path calculator", "secondaryKeywords": [], "riskTier": "low", "indexStatus": "noindex", "metaTitle": "RF Path Planning Guide", "metaDescription": "Collect frequency, distance, antenna and terrain information for a documented radio link assessment. No interactive link-budget estimate is available.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "raid", "raid5", "raid6", "raid10", "mixed-drive-raid", "nas-capacity", "surveillance-storage" ], "formulaVersion": "RF_PATH-1.0", "publicStatus": "limited", "statusReason": "Planning aid with stated assumptions and limitations.", "searchAliases": [ "RF Path Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#rfPath", "availability": "limited", "safetyRisk": "low" }, { "id": "windows-storage-spaces", "title": "Windows Storage Spaces Planning Guide", "slug": "/windows-storage-spaces-calculator/", "shelf": "storage", "kind": "storageSpaces", "primaryKeyword": "windows storage spaces calculator", "secondaryKeywords": [], "riskTier": "low", "indexStatus": "noindex", "metaTitle": "Windows Storage Spaces Planning Guide", "metaDescription": "Compare the information needed for mirror and parity configurations, including drive count, layout and Windows documentation. No capacity result is calculated here.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "raid", "raid5", "raid6", "raid10", "mixed-drive-raid", "nas-capacity", "surveillance-storage" ], "formulaVersion": "WINDOWS_STORAGE_SPACES-1.0", "publicStatus": "limited", "statusReason": "Planning aid with stated assumptions and limitations.", "searchAliases": [ "Windows Storage Spaces Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#storageSpaces", "availability": "limited", "safetyRisk": "low" }, { "id": "chmod", "title": "Linux Chmod Calculator", "slug": "/chmod-calculator/", "shelf": "storage", "kind": "chmod", "primaryKeyword": "linux chmod calculator", "secondaryKeywords": [], "riskTier": "low", "indexStatus": "index", "metaTitle": "Linux Chmod Calculator: Numeric and Symbolic Permissions", "metaDescription": "Encode Unix owner, group and others permission checkboxes or decode three octal digits. Preserve leading zero groups and explain rwx meanings without changing files.", "lastReviewed": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "raid", "raid5", "raid6", "raid10", "mixed-drive-raid", "nas-capacity", "surveillance-storage" ], "formulaVersion": "CHMOD-2.1", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [], "calculationModule": "tools/calculators-runtime-source.js#chmod", "availability": "ready", "safetyRisk": "low" }, { "id": "roof", "title": "Roof Area Calculator", "slug": "/roof-calculator/", "shelf": "home", "kind": "roof", "primaryKeyword": "roof calculator free", "secondaryKeywords": [ "roof shingles", "roof pitch", "shingle bundles" ], "riskTier": "estimate", "indexStatus": "index", "metaTitle": "Roof Area Calculator: Pitch, Squares & Bundles", "metaDescription": "Calculate roof area from footprint and pitch, then estimate roofing squares, shingle bundles, waste factor, material coverage, and cost basis.", "lastReviewed": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "flat-roofing-cost", "solar-panel-roof-load", "stormwater", "siding" ], "formulaVersion": "ROOF-2.1", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [ "roof shingles", "roof materials", "roofing", "roof material estimate", "roofing shingles shingle bundles packages roof material quantity" ], "calculationModule": "tools/calculators-runtime-source.js#roof", "availability": "ready", "safetyRisk": "estimate" }, { "id": "flat-roofing-cost", "title": "Flat Roofing Cost Planning Guide", "slug": "/flat-roofing-cost-calculator/", "shelf": "home", "kind": "flatRoof", "primaryKeyword": "flat roofing costs calculator", "secondaryKeywords": [], "riskTier": "estimate", "indexStatus": "noindex", "metaTitle": "Flat Roofing Cost Planning Guide", "metaDescription": "Prepare roof dimensions, material specifications, access and written quote terms for a flat-roof project. No installed-price range is supplied.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "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", "publicStatus": "limited", "statusReason": "Planning aid with stated assumptions and limitations.", "searchAliases": [ "Flat Roofing Cost Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#flatRoof", "availability": "limited", "safetyRisk": "estimate" }, { "id": "stump-grinding-cost", "title": "Stump Grinding Cost Planning Guide", "slug": "/stump-grinding-cost-calculator/", "shelf": "home", "kind": "stump", "primaryKeyword": "stump grinding cost calculator", "secondaryKeywords": [], "riskTier": "estimate", "indexStatus": "noindex", "metaTitle": "Stump Grinding Cost Planning Guide", "metaDescription": "Record stump dimensions, access, roots and debris-removal requirements before requesting comparable grinding quotes. No current market price is supplied.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "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", "publicStatus": "limited", "statusReason": "Planning aid with stated assumptions and limitations.", "searchAliases": [ "Stump Grinding Cost Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#stump", "availability": "limited", "safetyRisk": "estimate" }, { "id": "house-addition", "title": "House Addition Planning Guide", "slug": "/house-addition-calculator/", "shelf": "home", "kind": "addition", "primaryKeyword": "house addition calculator", "secondaryKeywords": [], "riskTier": "estimate", "indexStatus": "noindex", "metaTitle": "House Addition Planning Guide", "metaDescription": "Prepare floor area, project boundaries, finishes and local requirements before comparing written addition quotes. No project cost or structural approval is supplied.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "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", "publicStatus": "limited", "statusReason": "Planning aid with stated assumptions and limitations.", "searchAliases": [ "House Addition Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#addition", "availability": "limited", "safetyRisk": "estimate" }, { "id": "loft-conversion-cost", "title": "Loft Conversion Cost Planning Guide", "slug": "/loft-conversion-cost-calculator/", "shelf": "home", "kind": "loft", "primaryKeyword": "loft conversion cost calculator", "secondaryKeywords": [], "riskTier": "estimate", "indexStatus": "noindex", "metaTitle": "Loft Conversion Cost Planning Guide", "metaDescription": "Gather space dimensions, finishes, access and local approval requirements for a loft conversion quote. No current construction price is supplied.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "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", "publicStatus": "limited", "statusReason": "Planning aid with stated assumptions and limitations.", "searchAliases": [ "Loft Conversion Cost Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#loft", "availability": "limited", "safetyRisk": "estimate" }, { "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": "index", "metaTitle": "Blown Cellulose Insulation Calculator: Bags and Coverage", "metaDescription": "Calculate added R-value and whole bags from area and product coverage at that added R. A target already met needs zero bags; depth needs the product chart.", "lastReviewed": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "roof", "flat-roofing-cost", "stump-grinding-cost", "house-addition", "loft-conversion-cost", "solar-panel", "solar-panel-roof-load" ], "formulaVersion": "INSULATION-2.2", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [ "attic insulation top up bags bag added R product coverage chart" ], "calculationModule": "tools/calculators-runtime-source.js#insulation", "availability": "ready", "safetyRisk": "low" }, { "id": "solar-panel", "title": "Solar Panel Planning Guide", "slug": "/solar-panel-calculator/", "shelf": "home", "kind": "solar", "primaryKeyword": "home solar panel calculator", "secondaryKeywords": [], "riskTier": "estimate", "indexStatus": "noindex", "metaTitle": "Solar Panel Planning Guide", "metaDescription": "Prepare electricity use, site conditions, panel specifications and quote terms for a solar assessment. No system sizing or live cost estimate is available.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "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", "publicStatus": "limited", "statusReason": "Planning aid with stated assumptions and limitations.", "searchAliases": [ "Solar Panel Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#solar", "availability": "limited", "safetyRisk": "estimate" }, { "id": "solar-panel-roof-load", "title": "Solar Panel Roof Load Planning Guide", "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 Planning Guide", "metaDescription": "Collect roof, panel, mounting and load information for a qualified structural assessment. This guide does not determine a safe roof load.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "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", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Solar Panel Roof Load Calculator", "solar panels added weight roof load structural review preparation" ], "calculationModule": "tools/calculators-runtime-source.js#solarLoad", "availability": "review-held", "safetyRisk": "safety" }, { "id": "stormwater", "title": "Stormwater Calculator", "slug": "/stormwater-calculator/", "shelf": "home", "kind": "stormwater", "primaryKeyword": "stormwater calculator", "secondaryKeywords": [], "riskTier": "estimate", "indexStatus": "index", "metaTitle": "Stormwater Calculator: Event Runoff Volume & Barrels", "metaDescription": "Estimate rainfall-event runoff and whole containers from contributing plan area, rainfall, runoff fraction and usable US-gallon capacity. 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Compare angles; fitting takeoffs remain separate.", "lastReviewed": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "roof", "flat-roofing-cost", "stump-grinding-cost", "house-addition", "loft-conversion-cost", "blown-cellulose-insulation", "solar-panel" ], "formulaVersion": "PIPE_OFFSET-1.1", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [ "rolling pipe offset vertical sideways travel fitting angle" ], "calculationModule": "tools/calculators-runtime-source.js#pipeOffset", "availability": "ready", "safetyRisk": "low" }, { "id": "wire-mesh", "title": "Wire Mesh Calculator", "slug": "/wire-mesh-calculator/", "shelf": "home", "kind": "mesh", "primaryKeyword": "wire mesh calculator", "secondaryKeywords": [], "riskTier": "low", "indexStatus": "index", "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": "2026-11-03", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "roof", "flat-roofing-cost", "stump-grinding-cost", "house-addition", "loft-conversion-cost", "blown-cellulose-insulation", "solar-panel" ], "formulaVersion": "WIRE_MESH-2.1", "publicStatus": "ready", "statusReason": "Exact decimal coverage, whole-unit thresholds and USD material totals reviewed with independently derived complete answers.", "searchAliases": [ "mesh sheet sheets count effective coverage waste" ], "calculationModule": "tools/calculators-runtime-source.js#mesh", "availability": "ready", "safetyRisk": "low" }, { "id": "brick-walkway", "title": "Brick Walkway Calculator", "slug": "/brick-walkway-calculator/", "shelf": "home", "kind": "brick", "primaryKeyword": "brick calculator for walkway", "secondaryKeywords": [], "riskTier": "low", "indexStatus": "index", "metaTitle": "Brick Walkway Calculator: Paver Count, Waste & Cost", "metaDescription": "Estimate brick or paver count, waste, and cost from walkway dimensions and unit coverage.", "lastReviewed": "2026-11-03", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "roof", "flat-roofing-cost", "stump-grinding-cost", "house-addition", "loft-conversion-cost", "blown-cellulose-insulation", "solar-panel" ], "formulaVersion": "BRICK_WALKWAY-2.1", "publicStatus": "ready", "statusReason": "Exact decimal coverage, whole-unit thresholds and USD material totals reviewed with independently derived complete answers.", "searchAliases": [ "pavers paver bricks brick walkway path count waste" ], "calculationModule": "tools/calculators-runtime-source.js#brick", "availability": "ready", "safetyRisk": "low" }, { "id": "stair-stringer", "title": "Stair Stringer Planning Guide", "slug": "/stair-stringer-calculator/", "shelf": "home", "kind": "stairs", "primaryKeyword": "easy stair calculator", "secondaryKeywords": [], "riskTier": "safety", "indexStatus": "noindex", "metaTitle": "Stair Stringer Planning Guide", "metaDescription": "Prepare rise, run, material and applicable code requirements for qualified stair design. This guide does not approve stringer dimensions or structural safety.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "roof", "flat-roofing-cost", "stump-grinding-cost", "house-addition", "loft-conversion-cost", "blown-cellulose-insulation", "solar-panel" ], "formulaVersion": "STAIR_STRINGER-1.0", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Stair Stringer Calculator", "stair stairs risers treads rise going available space measurements" ], "calculationModule": "tools/calculators-runtime-source.js#stairs", "availability": "review-held", "safetyRisk": "safety" }, { "id": "pool-chemical", "title": "Pool Chemical Planning Guide", "slug": "/pool-chemical-calculator/", "shelf": "pool", "kind": "poolChem", "primaryKeyword": "swimming pool calculator for chemicals", "secondaryKeywords": [], "riskTier": "safety", "indexStatus": "noindex", "metaTitle": "Pool Chemical Planning Guide", "metaDescription": "Prepare measured water tests, pool volume, product labels and equipment instructions for chemical treatment advice. No dose or safe target is calculated.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "pool-volume", "chlorine", "pool-ph", "pool-alkalinity", "saltwater-pool", "pool-water-balance" ], "formulaVersion": "POOL_CHEMICAL-1.0", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Pool Chemical Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#poolChem", "availability": "review-held", "safetyRisk": "safety" }, { "id": "pool-volume", "title": "Pool Volume Calculator", "slug": "/pool-volume-calculator/", "shelf": "pool", "kind": "poolVolume", "primaryKeyword": "pool volume calculator", "secondaryKeywords": [], "riskTier": "low", "indexStatus": "index", "metaTitle": "Pool Volume Calculator: Shapes, Gallons & Liters", "metaDescription": "Calculate rectangle, circle or oval pool water volume from measured dimensions and average depth, with feet/meters, US gallons and liters.", "lastReviewed": "2026-10-02", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "pool-chemical", "chlorine", "pool-ph", "pool-alkalinity", "pool-stabilizer", "saltwater-pool", "pool-water-balance" ], "formulaVersion": "POOL_VOLUME-2.0", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [ "swimming pool gallons volume average depth oval round rectangular" ], "calculationModule": "tools/calculators-runtime-source.js#poolVolume", "availability": "ready", "safetyRisk": "low" }, { "id": "chlorine", "title": "Chlorine Planning Guide", "slug": "/chlorine-calculator/", "shelf": "pool", "kind": "chlorine", "primaryKeyword": "chlorine calculator", "secondaryKeywords": [], "riskTier": "safety", "indexStatus": "noindex", "metaTitle": "Chlorine Planning Guide", "metaDescription": "Collect reliable chlorine tests, pool volume and the current product label before seeking treatment guidance. No chlorine dose is calculated.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "pool-chemical", "pool-volume", "pool-ph", "pool-alkalinity", "pool-stabilizer", "saltwater-pool", "pool-water-balance" ], "formulaVersion": "CHLORINE-1.0", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Chlorine Calculator", "liquid chlorine label information percent density concentration" ], "calculationModule": "tools/calculators-runtime-source.js#chlorine", "availability": "review-held", "safetyRisk": "safety" }, { "id": "pool-ph", "title": "Pool pH Planning Guide", "slug": "/pool-ph-calculator/", "shelf": "pool", "kind": "poolPh", "primaryKeyword": "pool ph calculator", "secondaryKeywords": [], "riskTier": "safety", "indexStatus": "noindex", "metaTitle": "Pool pH Planning Guide", "metaDescription": "Record measured pH, pool volume, product instructions and related water tests for treatment advice. No acid or alkali amount is calculated.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "pool-chemical", "pool-volume", "chlorine", "pool-alkalinity", "pool-stabilizer", "saltwater-pool", "pool-water-balance" ], "formulaVersion": "POOL_PH-1.0", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Pool pH Calculator", "pool pH current target readings preparation information" ], "calculationModule": "tools/calculators-runtime-source.js#poolPh", "availability": "review-held", "safetyRisk": "safety" }, { "id": "pool-alkalinity", "title": "Pool Alkalinity Planning Guide", "slug": "/pool-alkalinity-calculator/", "shelf": "pool", "kind": "alkalinity", "primaryKeyword": "pool alkalinity calculator", "secondaryKeywords": [], "riskTier": "safety", "indexStatus": "noindex", "metaTitle": "Pool Alkalinity Planning Guide", "metaDescription": "Prepare alkalinity tests, pool volume and product-specific instructions for qualified treatment advice. No alkalinity adjustment dose is calculated.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "pool-chemical", "pool-volume", "chlorine", "pool-ph", "pool-stabilizer", "saltwater-pool", "pool-water-balance" ], "formulaVersion": "POOL_ALKALINITY-1.0", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Pool Alkalinity Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#alkalinity", "availability": "review-held", "safetyRisk": "safety" }, { "id": "pool-stabilizer", "title": "Pool Stabilizer Planning Guide", "slug": "/pool-stabilizer-calculator/", "shelf": "pool", "kind": "stabilizer", "primaryKeyword": "pool stabilizer calculator", "secondaryKeywords": [], "riskTier": "safety", "indexStatus": "noindex", "metaTitle": "Pool Stabilizer Planning Guide", "metaDescription": "Record cyanuric acid tests, pool volume and product instructions before seeking stabilizer guidance. No addition amount or target is prescribed.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "pool-chemical", "pool-volume", "chlorine", "pool-ph", "pool-alkalinity", "saltwater-pool", "pool-water-balance" ], "formulaVersion": "POOL_STABILIZER-1.0", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Pool Stabilizer Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#stabilizer", "availability": "review-held", "safetyRisk": "safety" }, { "id": "saltwater-pool", "title": "Saltwater Pool Planning Guide", "slug": "/saltwater-pool-calculator/", "shelf": "pool", "kind": "salt", "primaryKeyword": "saltwater pool calculator", "secondaryKeywords": [ "salt water pool SWG", "saltwater ppm calculator", "salt chlorine generator" ], "riskTier": "safety", "indexStatus": "noindex", "metaTitle": "Saltwater Pool Planning Guide", "metaDescription": "Prepare salt readings, pool volume and chlorine-generator specifications for manufacturer or specialist guidance. No salt addition or safe target is calculated.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "pool-chemical", "pool-volume", "chlorine", "pool-ph", "pool-alkalinity", "pool-stabilizer", "pool-water-balance" ], "formulaVersion": "SALTWATER_POOL-1.0", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Saltwater Pool Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#salt", "availability": "review-held", "safetyRisk": "safety" }, { "id": "pool-water-balance", "title": "Pool Water Balance Planning Guide", "slug": "/pool-water-balance-calculator/", "shelf": "pool", "kind": "waterBalance", "primaryKeyword": "water balance calculator", "secondaryKeywords": [], "riskTier": "safety", "indexStatus": "noindex", "metaTitle": "Pool Water Balance Planning Guide", "metaDescription": "Collect measured water tests and product and equipment requirements for a supported water-balance assessment. No numerical treatment priority is prescribed.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "pool-chemical", "pool-volume", "chlorine", "pool-ph", "pool-alkalinity", "pool-stabilizer", "saltwater-pool" ], "formulaVersion": "POOL_WATER_BALANCE-1.0", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Pool Water Balance Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#waterBalance", "availability": "review-held", "safetyRisk": "safety" }, { "id": "chemical-dosing", "title": "Chemical Dosing Planning Guide", "slug": "/chemical-dosing-calculator/", "shelf": "pool", "kind": "chemicalDose", "primaryKeyword": "chemical dosing calculator", "secondaryKeywords": [], "riskTier": "safety", "indexStatus": "noindex", "metaTitle": "Chemical Dosing Planning Guide", "metaDescription": "Prepare measured volume, concentration, product compatibility and label instructions for qualified dosing advice. No generic actionable dose is calculated.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "pool-chemical", "pool-volume", "chlorine", "pool-ph", "pool-alkalinity", "pool-stabilizer", "saltwater-pool" ], "formulaVersion": "CHEMICAL_DOSING-1.0", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Chemical Dosing Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#chemicalDose", "availability": "review-held", "safetyRisk": "safety" }, { "id": "aquarium-ammonia", "title": "Aquarium Ammonia Planning Guide", "slug": "/aquarium-ammonia-calculator/", "shelf": "pool", "kind": "ammonia", "primaryKeyword": "ammonia calculator aquarium", "secondaryKeywords": [], "riskTier": "safety", "indexStatus": "noindex", "metaTitle": "Aquarium Ammonia Planning Guide", "metaDescription": "Record test method, ammonia reading, pH, temperature and aquarium conditions for qualified advice. No toxicity threshold or treatment dose is supplied.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "pool-chemical", "pool-volume", "chlorine", "pool-ph", "pool-alkalinity", "pool-stabilizer", "saltwater-pool" ], "formulaVersion": "AQUARIUM_AMMONIA-1.0", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Aquarium Ammonia Calculator" ], "calculationModule": "tools/calculators-runtime-source.js#ammonia", "availability": "review-held", "safetyRisk": "safety" }, { "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": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "lcl-shipping", "pallet", "warehouse-storage-cost" ], "formulaVersion": "CAR_SHIPPING_ESTIMATE-1.2", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [], "calculationModule": "tools/calculators-runtime-source.js#carShip", "availability": "ready", "safetyRisk": "estimate" }, { "id": "lcl-shipping", "title": "LCL Shipping Calculator", "slug": "/lcl-shipping-calculator/", "shelf": "shipping", "kind": "lcl", "primaryKeyword": "lcl shipping calculator", "secondaryKeywords": [], "riskTier": "estimate", "indexStatus": "index", "metaTitle": "LCL Shipping Calculator: CBM and Chargeable Weight", "metaDescription": "Estimate LCL chargeable measure from package dimensions, piece count, weight, and freight fees.", "lastReviewed": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "car-shipping-estimate", "pallet", "warehouse-storage-cost", "trailer-ramp" ], "formulaVersion": "LCL_SHIPPING-2.1", "publicStatus": "ready", "statusReason": "A documented geometry or entered-cost model with independent examples.", "searchAliases": [ "CBM", "LCL freight volume" ], "calculationModule": "tools/calculators-runtime-source.js#lcl", "availability": "ready", "safetyRisk": "estimate" }, { "id": "pallet", "title": "Pallet Calculator", "slug": "/pallet-calculator/", "shelf": "shipping", "kind": "pallet", "primaryKeyword": "pallet calculator online", "secondaryKeywords": [], "riskTier": "low", "indexStatus": "index", "metaTitle": "Pallet Calculator: Box Layout, Height, Weight & Utilization", "metaDescription": "Compare both box orientations, overhang, stack height, footprint utilization, and load-weight limits for a pallet plan.", "lastReviewed": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "pallet-volume", "lcl-shipping", "warehouse-storage-cost" ], "formulaVersion": "PALLET-2.1", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [ "boxes box fit pallet layers count packing" ], "calculationModule": "tools/calculators-runtime-source.js#pallet", "availability": "ready", "safetyRisk": "low" }, { "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": "index", "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": "2026-11-04", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "car-shipping-estimate", "lcl-shipping", "pallet", "trailer-ramp" ], "formulaVersion": "WAREHOUSE_STORAGE_COST-2.1", "publicStatus": "ready", "statusReason": "A documented geometry or entered-cost model with independent examples.", "searchAliases": [], "calculationModule": "tools/calculators-runtime-source.js#warehouse", "availability": "ready", "safetyRisk": "estimate" }, { "id": "trailer-ramp", "title": "Trailer Ramp Planning Guide", "slug": "/trailer-ramp-calculator/", "shelf": "shipping", "kind": "ramp", "primaryKeyword": "trailer ramp calculator", "secondaryKeywords": [], "riskTier": "safety", "indexStatus": "noindex", "metaTitle": "Trailer Ramp Planning Guide", "metaDescription": "Collect deck height, vehicle clearance, load and manufacturer specifications for a supported ramp assessment. No safe ramp length or loading angle is established.", "lastReviewed": "2026-06-24", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": false, "relatedCalculators": [ "car-shipping-estimate", "lcl-shipping", "pallet", "warehouse-storage-cost" ], "formulaVersion": "TRAILER_RAMP-1.0", "publicStatus": "review-held", "statusReason": "Planning aid with safety limits; compare important decisions with professional guidance.", "searchAliases": [ "Trailer Ramp Calculator", "trailer ramp length deck height rise measurements planning" ], "calculationModule": "tools/calculators-runtime-source.js#ramp", "availability": "review-held", "safetyRisk": "safety" }, { "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", "presents gift wrap rolls" ], "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": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "pallet", "dry-ice" ], "formulaVersion": "WRAPPING_PAPER-2.0", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [ "gift wrap wrapping paper rolls presents" ], "calculationModule": "tools/calculators-runtime-source.js#wrapping", "availability": "ready", "safetyRisk": "low" }, { "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", "reference exposure scaling" ], "riskTier": "low", "indexStatus": "index", "metaTitle": "Pinhole Camera Exposure Calculator: f-Number & Shutter Time", "metaDescription": "Scale pinhole shutter time from focal distance, hole size and reference exposure. Film reciprocity, diffraction and optimal diameter are outside the model.", "lastReviewed": "2026-10-05", "faqSchemaEnabled": false, "softwareApplicationSchemaEnabled": true, "relatedCalculators": [ "wrapping-paper", "memory-timing" ], "formulaVersion": "PINHOLEEXPOSURE-2.0", "publicStatus": "ready", "statusReason": "Formula, inputs, examples, and limitations are documented for this calculator.", "searchAliases": [], "calculationModule": "tools/calculators-runtime-source.js#pinholeExposure", "availability": "ready", "safetyRisk": "low" }, { "id": "necktie-length", "title": "Necktie Length Planning Guide", "slug": "/necktie-length-calculator/", "shelf": "lifestyle", "kind": "tie", "primaryKeyword": "necktie length calculator", "secondaryKeywords": [], "riskTier": "low", "indexStatus": "index", "metaTitle": "Necktie Length Planning Guide: Fit & Knot Measurement", "metaDescription": "Measure collar fit, blade position and knot requirements before comparing actual tie lengths. 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