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Curtain Panel Fabric Length Estimate

Online curtain panel fabric length estimate. Planning estimate using the supplied gauge, fabric dimensions and allowances; stretch, drape and finishing losses require separate assessment.

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curtain panel fabric length calculator online

Use curtain panel fabric length estimate online for track width m, fullness, fabric width m, finished drop m, top bottom allowance m. Planning estimate using the supplied gauge, fabric dimensions and allowances; stretch, drape and finishing losses require separate assessment.

How to use it

Enter track width m. Set fullness, fabric width m, finished drop m, top bottom allowance m. Select Calculate and check the labeled output. Copy or download the JSON result.

Options and example settings

OptionChoices / valueExample default
track width mMain input. Positive values. 2
fullnessOption. Positive values. 2
fabric width mOption. Positive values. 1.4
finished drop mOption. Positive values. 2.2
top bottom allowance mOption. Zero or positive values. 0.3

Calculation method

fabric_widths = ceil(track_width_m*fullness/fabric_width_m); purchase_length_m = ceil(track_width_m*fullness/fabric_width_m)*(finished_drop_m+top_bottom_allowance_m) (^ means exponentiation; trig functions ending in d use degrees).

Worked examples

Apply curtain panel fabric length estimate to the case below, keeping the displayed units and assumptions. Planning estimate using the supplied gauge, fabric dimensions and allowances; stretch, drape and finishing losses require separate assessment.

Curtain Panel Fabric Length Estimate — worked case

Settings: fullness: 2; fabric width m: 1.4; finished drop m: 2.2; top bottom allowance m: 0.3

Input:

2

Calculated result for these inputs:

Output:

{
  "fabric_widths": 3,
  "purchase_length_m": 7.5
}

Choose the right tool

Use your measured gauge and actual fabric dimensions. Distinguish finished measurements from cut measurements with seam allowances, and verify pattern-repeat and shrinkage assumptions before cutting.

Limitations and common mistakes

  • Planning estimate using the supplied gauge, fabric dimensions and allowances; stretch, drape and finishing losses require separate assessment.
  • Use the displayed unit in every field. Ratios and percentages are different inputs; percent fields use values such as 25 rather than 0.25.

Frequently asked questions

How can I use curtain panel fabric length calculator online?

Enter track width m. Set fullness, fabric width m, finished drop m, top bottom allowance m. Select Calculate and check the labeled output. Copy or download the JSON result.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

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