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Curtain & Drape Yardage Calculator

Calculate precise fabric bolt yardage, total vertical panels, and cutting dimensions for tailored, standard, or luxury gathered window treatments.

Calculate Curtain Fabric
Total Bolt Fabric Required: 8.5 yards
Total Vertical Panels to Cut: 3 panels
Cut Length Per Panel (incl. hems): 100.0 in
Panel 1 Panel 2

Drapery Field Manual

Hem & Header Allowances Added
  • Double 4" Bottom Hem: Adds 8 inches (20 cm) of folded fabric for weight and clean hanging.
  • Double 4" Top Header: Adds 8 inches (20 cm) for rod pockets, hooks, or buckram stiffener.
The Math Formula
• Total Gathered Width = Rod Width × Fullness Multiplier
• Number of Panels = Total Width ÷ Fabric Bolt Width
• Cut Length = Finished Drop + 16" (header & hem allowances)
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