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How much binding for a twin size quilt?
Twin quilts need 9 binding strips 2½″ wide, which is 5/8 yd of fabric. The most common twin size, 70″ × 90″, takes 9 strips.
Every twin size
| Quilt | Binding length | 2½″ strips | Buy | 2¼″ strips |
|---|---|---|---|---|
| 66 × 90 | 324″ | 9 | 5/8 yd | 9 (5/8 yd) |
| 70 × 90 | 332″ | 9 | 5/8 yd | 9 (5/8 yd) |
| 72 × 90 | 336″ | 9 | 5/8 yd | 9 (5/8 yd) |
Binding length is the perimeter plus 12″ for joining the ends and turning the corners. Open a size for the step-by-step math, other strip widths and bias binding.
Which twin size is yours?
Sizes depend on the mattress and how far you want the quilt to hang. See what size quilt for a twin bed for every drop, or the full quilt size chart. Same quilts: how much backing for a twin quilt, batting and all the fabric.
Questions quilters ask
How much binding do I need for a twin size quilt?
5/8 yd of fabric, cut into 9 strips 2.5 inches wide across the width of fabric. A 70 x 90 inch twin quilt needs 332 inches of binding: 9 strips, 5/8 yd.
How many binding strips for a twin quilt?
9 strips for 70 x 90 inches at 2.5 inches wide (9 strips at 2.25 inches). Each strip across 42-44 inch fabric gives about 40 usable inches, less one strip width for each diagonal join.
Try your own numbers
Updated 2026-11-14. How we calculate.
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