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Curtain Fabric Calculator

Fabric yardage needed for curtains.

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ⓘ Live results

Results
Fabric needed
7.83 yards
Fabric widths to join
3
Cut length per width
94 in

Quick answer

Curtain fabric yardage depends on the rod width times a fullness ratio, divided by fabric width, times the finished drop length.

yards = ceil(widths needed) x (drop + hems) / 36

How to use the Curtain Fabric Calculator

  1. 1Measure the rod width and finished drop of the curtains.
  2. 2Choose a fullness ratio (2x-2.5x is standard for a gathered look).
  3. 3Enter your fabric's width and hem/heading allowance to get the total yardage.

Worked example

Using the values the calculator loads with:

Inputs

  • Rod width60 in
  • Finished drop length84 in
  • Fullness ratio2 x
  • Fabric width54 in
  • Hem/heading allowance10 in

Results

  • Fabric needed7.83 yards
  • Fabric widths to join3
  • Cut length per width94 in

Frequently asked questions

What fullness ratio should I use?

2x is standard, 2.5x-3x for very sheer or luxurious fabrics.

Do patterned fabrics need extra?

Yes, add extra yardage per width to match the pattern repeat between panels.

About this calculator

Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.