basic

Curtain Fabric Yardage Calculator

Yards of fabric needed for curtain panels.

Compute the yards of fabric needed to make curtain panels for a window from the window width, panel length, fabric width, fullness ratio, and number of panels (typical fullness 2× for pinch-pleat, 2.5× for sheer).

Marcus Laurent By Marcus Laurent
Published Last reviewed 1 min read

Inputs

in
in
in

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Total width needed = window_width · fullness. Strips = ceil(total_width / fabric_width). Yardage = strips · (panel_length + 12 in for hems) / 36.

In depth

Compute the yards of fabric needed to make curtain panels for a window from the window width, panel length, fabric width, fullness ratio, and number of panels (typical fullness 2× for pinch-pleat, 2.5× for sheer).