Quilt backing calculator
Enter your quilt’s size to get backing yardage for 42" fabric and for 108" wide backing.
4 yd
2 panels, 68" long, seam across. Backing is 68" × 80". 108" wide backing: 2 yd.
Backing for common quilt sizes
| Bed | Quilt | 42" fabric | 108" wide |
|---|---|---|---|
| Crib | 45" × 60" | 3 yd | 1½ yd |
| Throw | 60" × 72" | 4 yd | 2 yd |
| Twin | 70" × 90" | 5½ yd | 2¼ yd |
| Full | 84" × 96" | 7¾ yd | 2¾ yd |
| Queen | 90" × 108" | 8¼ yd | 3¼ yd |
| King | 108" × 108" | 9¾ yd | 6½ yd, 2 widths |
4" extra on every side. The seams run whichever way uses less fabric.
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Every piece and every yard, checked against the fabric you own.