Curtain Size Calculator
Find the size of fabric for a set of curtains. Enter the width of the rod, how far it sits above the floor, and how full you want the curtains to look.
- Free
- Works offline after your first visit
- Saves on this device
- No sign-up
- Updated
How it works
For width, multiply the rod width by the fullness. A fullness of 2 is a common choice, and 2.5 gives a richer, more gathered look. For length, take the drop from the rod to where the curtain should end, and add the extra for the header and hem.
Measure the drop from the bottom of the rod to the floor, or to the sill if you want the curtain to stop there. Many people want the curtain to just clear the floor.
Worked example
Curtains for a 48 in rod, with a drop of 84 in and a fullness of 2, need 96 in of fabric width. Cut each length to 92 in.
Questions
What is fullness?
Fullness is how much fabric is gathered onto the rod. A fullness of 2 means twice the rod width in fabric.
How much should I allow for the header and hem?
It depends on your heading tape and how deep you want the hem. Allow a little more than you think, since it is easy to trim.
Does this work for blinds?
No. This is for fabric curtains. Blinds are sized to the window, and the maker gives the exact cut size.
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