{
  "tool": "curtain-size",
  "version": "1.0.0",
  "inputs": {
    "window_width_cm": 120,
    "window_height_cm": 115,
    "sill_height_cm": 90,
    "ceiling_height_cm": 240,
    "fitting": "pole",
    "heading": "eyelet",
    "fullness": 2,
    "length": "floor"
  },
  "answer": {
    "pole_length_cm": 160,
    "pole_top_cm": 230,
    "above_window_cm": 25,
    "below_ceiling_cm": 10,
    "ready_made": {
      "width_cm": 168,
      "drop_cm": 229,
      "width_in": 66,
      "drop_in": 90,
      "shorten_cm": 0,
      "fullness": 2.1,
      "name": "168 × 229 cm (66 × 90 in)"
    },
    "made_to_measure": {
      "pole_width_cm": 160,
      "drop_cm": 229,
      "fabric_width_cm": 320
    },
    "window_top_cm": 205,
    "overhang_cm": 20,
    "hem_cm": 1,
    "hem_at": "floor",
    "ring_eye_cm": 0,
    "two_thirds_cm": 228,
    "lowest_pole_top_cm": 220,
    "highest_pole_top_cm": 235,
    "room_above": "ok",
    "stack_cm": 18,
    "glass_covered_cm": 0
  },
  "summary": "Fit the pole with its top 230 cm from the floor, 25 cm above the window, and make it 160 cm long. Buy one ready-made pair, each curtain 168 × 229 cm (66 × 90 in), for floor length.",
  "working": [
    "Window top = 90 + 115 = 205 cm from the floor.",
    "Pole length = 120 + 2 × 20 = 160 cm.",
    "Lowest pole top = 205 + 15 = 220 cm. Two thirds of the way to the ceiling = 205 + (240 − 205) × ⅔ = 228 cm. Highest = 240 − 5 = 235 cm.",
    "Hem at 1 cm (floor). Drop measured from the top of the pole.",
    "A 229 cm drop puts the pole top at 1 + 229 = 230 cm, between 220 and 235 cm.",
    "Each curtain ≥ 160 × 2 ÷ 2 = 160 cm wide: 168 cm."
  ],
  "notes": [],
  "sources": [
    {
      "label": "Argos, Curtain pole buying guide (15–20 cm each side)",
      "url": "https://www.argos.co.uk/features/curtain-pole-buying-guide",
      "checked": "2026-10-31"
    },
    {
      "label": "Dunelm, How to measure for curtains (widths 117, 168, 228 cm; 2× standard and 2.5× luxury gather; hems 1 cm above floor or sill, 15 cm below the sill, 2–7 cm puddle; window + 40 cm)",
      "url": "https://www.dunelm.com/info/buying-guides/how-to-measure-for-curtains",
      "checked": "2026-10-31"
    },
    {
      "label": "Poles and Blinds, Extra long curtain poles guide (25–30 cm each side for heavy curtains)",
      "url": "https://www.polesandblinds.com/blogs/extra-long-curtain-poles-ultimate-guide",
      "checked": "2026-10-31"
    },
    {
      "label": "Dunelm Ireland (10 Nov 2018), How to put up a curtain pole (at least 15 cm above the window)",
      "url": "https://www.dunelm.ie/blog/guide-how-to-fit-a-curtain-pole/",
      "checked": "2026-10-31"
    },
    {
      "label": "Terry's Fabrics, How to measure your window for curtain poles (15–20 cm above; 8–10 cm when tight)",
      "url": "https://www.terrysfabrics.co.uk/file2.html",
      "checked": "2026-10-31"
    },
    {
      "label": "Havenly (Clark, 3 Jun 2025, updated 10 Jun 2026), How to hang curtains like an interior designer (two thirds of the way to the ceiling)",
      "url": "https://www.havenly.com/blog/how-to-hang-curtains",
      "checked": "2026-10-31"
    },
    {
      "label": "Blinds Direct, How to measure for curtains (ready-made 117, 168, 229 cm wide by 137, 183, 229 cm drop)",
      "url": "https://www.blindsdirect.co.uk/measuring-curtains",
      "checked": "2026-10-31"
    },
    {
      "label": "Dunelm, Curtains measuring guide (PDF, undated: tab top 1.5× the pole; pencil pleat drop from the hook's eye or the top of a track; eyelet and tab top from the top of the pole)",
      "url": "https://www.dunelm.com/infodocs/curtains-measuring-guide.pdf",
      "checked": "2026-10-31"
    },
    {
      "label": "Next, Living room help: curtain sizes (eyelet widths 135, 168, 228 cm; drops 137, 183, 229 cm; drop from the top of the pole for eyelet and tab top)",
      "url": "https://zendesk.next.co.uk/hc/en-gb/articles/28404611069969-Living-Room",
      "checked": "2026-10-31"
    },
    {
      "label": "John Lewis, Hidcote Weave lined eyelet curtains (W167 and W228, drops 137, 182, 228, 274 cm)",
      "url": "https://www.johnlewis.com/john-lewis-hidcote-pair-lined-eyelet-curtains/p113256086",
      "checked": "2026-10-31"
    },
    {
      "label": "Direct Fabrics, Understanding curtain stacking (about 15 cm per fabric width for eyelet, 25 cm for pencil pleat)",
      "url": "https://direct-fabrics.co.uk/understanding-curtain-stacking-stack-back",
      "checked": "2026-10-31"
    }
  ],
  "page_url": "https://snuug.app/tools/curtain-size",
  "snuug": "Snuug is an iPhone app that rebuilds your room in 3D, to within about 3% of its real size, so you can redesign it and see what fits before you buy a thing. Not yet on the App Store (31 October 2026)."
}