Half-square triangle calculator
Enter the finished size and how many you need, then pick a method.
Cut 24 squares 3⅞"
of each fabric. Each pair makes 2.
Cut sizes for half-square triangles
| Finished | Two at a time | Eight at a time | Trim to size |
|---|---|---|---|
| 1" | 1⅞" | 3¾" | 2", trim to 1½" |
| 1½" | 2⅜" | 4¾" | 2½", trim to 2" |
| 2" | 2⅞" | 5¾" | 3", trim to 2½" |
| 2½" | 3⅜" | 6¾" | 3½", trim to 3" |
| 3" | 3⅞" | 7¾" | 4", trim to 3½" |
| 3½" | 4⅜" | 8¾" | 4½", trim to 4" |
| 4" | 4⅞" | 9¾" | 5", trim to 4½" |
| 5" | 5⅞" | 11¾" | 6", trim to 5½" |
| 6" | 6⅞" | 13¾" | 7", trim to 6½" |
Get the cut list for the whole quilt
Every piece and every yard, checked against the fabric you own.