Measure the fitted pole
Use the usable pole or track width, not the window glass width.
Free measuring tool
Curtain Size & Fabric Calculator
Estimate the finished curtain width, number of fabric widths and total fabric length from your pole, drop, fullness and pattern repeat.
Your measurements
Your estimate appears here
Enter the pole width, finished drop and fabric details, then calculate.
Estimated fabric
Fabric widths needed
Widths per curtain
Cut length per width
Finished width
Before buying fabric
Check the pattern match
A large or half-drop repeat can require more fabric than this straight-match estimate.
Confirm the heading
Tape and pleat systems have their own fullness and allowance instructions.