Home & DIY Calculators
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
- 1Enter your window or rod width and desired fullness factor.
- 2Enter your fabric bolt's width.
- 3Enter your desired finished curtain length and hem/heading allowance.
- 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.