Curtain fabric calculator

Open Curtain fabric calculator on Happytails.ai. This view has the same page content and links, with explicit tool capabilities. Read the processing notes before using a tool.

Tool capabilities

{
  "id": "curtain-fabric-calculator",
  "category": "calculators",
  "built": true,
  "requirements": "Track or pole above 0 and up to 50 m, returns up to 5 m, fullness 1 to 4, 1 to 20 panels, fabric and lining widths 10 cm to 5 m, finished drop up to 10 m, each allowance up to 1 m and pattern repeat up to 3 m. Calculated on your device; download a JSON report and CSV files of results and the cutting list.",
  "implementation": {
    "fields": [
      {
        "key": "unit",
        "label": "Measurement unit",
        "value": "cm",
        "type": "select",
        "values": [
          "cm",
          "m",
          "mm",
          "in"
        ]
      },
      {
        "key": "trackWidth",
        "label": "Track or pole width",
        "value": 200,
        "type": "number",
        "min": 0,
        "step": "any"
      },
      {
        "key": "returns",
        "label": "Returns and overlaps (total)",
        "value": 0,
        "type": "number",
        "min": 0,
        "step": "any",
        "help": "Extra width for the curtain ends that turn back to the wall and for panels that overlap in the middle."
      },
      {
        "key": "fullness",
        "label": "Fullness ratio",
        "value": 2,
        "type": "number",
        "min": 1,
        "max": 4,
        "step": "any",
        "help": "Flat fabric width divided by the track width. About 2 is common; sheers often use 2.5 to 3."
      },
      {
        "key": "panels",
        "label": "Panels",
        "value": 2,
        "type": "number",
        "min": 1,
        "max": 20,
        "step": 1,
        "help": "Use 2 for a pair of curtains."
      },
      {
        "key": "sideHems",
        "label": "Side hem allowance per panel",
        "value": 0,
        "type": "number",
        "min": 0,
        "step": "any",
        "help": "Both side hems of one panel together."
      },
      {
        "key": "fabricWidth",
        "label": "Fabric width",
        "value": 140,
        "type": "number",
        "min": 0,
        "step": "any"
      },
      {
        "key": "drop",
        "label": "Finished drop",
        "value": 220,
        "type": "number",
        "min": 0,
        "step": "any"
      },
      {
        "key": "heading",
        "label": "Heading allowance",
        "value": 10,
        "type": "number",
        "min": 0,
        "step": "any"
      },
      {
        "key": "hem",
        "label": "Hem allowance",
        "value": 15,
        "type": "number",
        "min": 0,
        "step": "any"
      },
      {
        "key": "repeat",
        "label": "Pattern repeat",
        "value": 0,
        "type": "number",
        "min": 0,
        "step": "any",
        "help": "Vertical repeat of the pattern. Enter 0 for plain fabric."
      },
      {
        "key": "placement",
        "label": "Add one repeat to place the pattern",
        "value": true,
        "type": "checkbox",
        "help": "Only used when the pattern repeat is above 0."
      },
      {
        "key": "liningWidth",
        "label": "Lining fabric width (optional)",
        "value": 140,
        "type": "number",
        "min": 0,
        "step": "any",
        "help": "Leave empty for unlined curtains.",
        "required": false
      }
    ],
    "registrationFamily": "household-planning",
    "input": false,
    "live": true,
    "presentation": "metrics",
    "note": "Calculated on your device for tracks up to 50 m, up to 20 panels and fabric 10 cm to 5 m wide. Fullness and allowances are your choices.",
    "experience": {
      "automatic": true,
      "single": true,
      "inputMaxLength": 1000000,
      "inputMode": "text",
      "label": "Curtain measurements",
      "placeholder": "Use the fields below",
      "help": "This calculator uses the measurement fields only. Results update as you type. Up to 1,000,000 characters.",
      "helpParts": [
        "This calculator uses the measurement fields only.",
        "Results update as you type.",
        "Up to 1,000,000 characters."
      ],
      "action": null
    },
    "mode": "automatic",
    "interactive": false
  },
  "execution": "Browser interface",
  "api": null,
  "browser_agent": {
    "supported": true,
    "name": "run_current_tool",
    "discovery": "WebMCP on the human page in a supporting browser",
    "verification": "See audit/API-AUDIT.md; availability is not verification"
  }
}

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