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Curtain Size Calculator

Everyday life
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Calculates the size of curtains needed based on the desired length, the width of the window, and the desired fullness.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Window Width (inches), Desired Curtain Length (inches), and Fullness in the units shown.

Step 2

Read Number of Curtain Panels Needed, Total Curtain Width (inches), and Curtain Width Per Panel (inches) 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.

Small Window, Moderate Fullness

Window Width (inches): 36 inches; Desired Curtain Length (inches): 60 inches; Fullness: 1.5 x

Number of Curtain Panels Needed: 2; Total Curtain Width (inches): 54 inches; Curtain Width Per Panel (inches): 27 inches

Standard Window, Standard Fullness

Window Width (inches): 60 inches; Desired Curtain Length (inches): 84 inches; Fullness: 2 x

Number of Curtain Panels Needed: 2; Total Curtain Width (inches): 120 inches; Curtain Width Per Panel (inches): 60 inches

Large Window, High Fullness

Window Width (inches): 96 inches; Desired Curtain Length (inches): 96 inches; Fullness: 2.5 x

Number of Curtain Panels Needed: 2; Total Curtain Width (inches): 240 inches; Curtain Width Per Panel (inches): 120 inches

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