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Curtain Panel Calculator

Construction
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Calculates the fabric width and length needed for making curtain panels, taking into account factors like fullness and hem allowance.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Rod Width, Desired Fullness, Finished Length (from rod to hem), Top Hem Allowance, Bottom Hem Allowance, and Side Hem Allowance (per side) in the units shown.

Step 2

Read Fabric Length Needed per Panel and Fabric Width per Panel in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Standard Curtains

Rod Width: 60 inches; Desired Fullness: 200 %; Finished Length (from rod to hem): 84 inches; Top Hem Allowance: 3 inches; Bottom Hem Allowance: 4 inches; Side Hem Allowance (per side): 1.5 inches

Fabric Length Needed per Panel: 91 inches; Fabric Width per Panel: 60 inches

Sheer Curtains

Rod Width: 60 inches; Desired Fullness: 150 %; Finished Length (from rod to hem): 84 inches; Top Hem Allowance: 2 inches; Bottom Hem Allowance: 3 inches; Side Hem Allowance (per side): 1 inches

Fabric Length Needed per Panel: 89 inches; Fabric Width per Panel: 45 inches

Extra Full Curtains

Rod Width: 60 inches; Desired Fullness: 250 %; Finished Length (from rod to hem): 96 inches; Top Hem Allowance: 4 inches; Bottom Hem Allowance: 5 inches; Side Hem Allowance (per side): 2 inches

Fabric Length Needed per Panel: 105 inches; Fabric Width per Panel: 75 inches

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