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Curtain Fabric Calculator

Enter your window width, fullness factor, fabric bolt width, and curtain length to calculate total fabric yardage.

7.83 yards

3 fabric widths sewn together · ≈ $141.00

A fullness factor of 2-2.5× the rod width is typical for a gathered look; use 1.5× for a flatter panel. Pattern repeats may require extra fabric beyond this estimate.

How to use this tool

  1. 1Enter your window or rod width and desired fullness factor.
  2. 2Enter your fabric bolt's width.
  3. 3Enter your desired finished curtain length and hem/heading allowance.
  4. 4See total yards needed and estimated cost.

Frequently asked questions

What fullness factor should I use?+

2 to 2.5 times the rod width is typical for a gathered, pleated look; 1.5 times gives a flatter, more tailored panel.