Curtain Size Calculator
Calculate curtain width and length for your window and fullness.
Enter your values to see the result.
Continue your work
- Shower Curtain Sizes — Find shower curtain sizes.
- Length Converter — Convert inches and cm.
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Clear instructions
Find steps, examples and limitations below.
Use online
Open the tool in a supported web browser.
Free to use
No sign-up required. Tool-specific limits may apply.
How to use the Curtain Size Calculator
Calculate curtain width and length for your window and fullness.
- 1 Enter the window width and height and where the rod goes.
- 2 Choose the length style and fullness.
- 3 Read the curtain length, rod width and panels needed.
Example and practical tips
A 48 × 60 in window with floor-length curtains at 2× fullness needs a 60 in rod and two 54 in panels about 95 in long.
Frequently asked questions
What is fullness?
How much wider the fabric is than the rod; 2× gives soft, full folds.
Where should the rod go?
4–6 in above the frame and 4–10 in past each side.
Report an issue
Something broken or not quite right? Tell us and we will look into it.