SeeMyQuiltCharm pack calculator
Charm squares are 5" and finish at 4 1/2". Enter the quilt size to see how many squares and packs you need.
You need3 charm packs
- 120 squares, 10 across by 12 down
- Finished size 45" × 54"
Charm packs for standard quilt sizes
| Quilt | Layout | Squares | Packs of 42 |
|---|---|---|---|
| Baby | 8 × 11 | 88 | 3 |
| Crib | 10 × 13 | 130 | 4 |
| Lap | 11 × 13 | 143 | 4 |
| Throw | 13 × 16 | 208 | 5 |
| Twin | 16 × 21 | 336 | 8 |
| Full | 19 × 21 | 399 | 10 |
| Queen | 21 × 21 | 441 | 11 |
| King | 24 × 24 | 576 | 14 |
How it is calculated
A charm square sewn into a plain patchwork quilt loses 1/4" on every side, so it finishes at 4 1/2". Divide the quilt width and length by 4 1/2" to get the layout.
Most charm packs hold 42 squares. Check the label: some hold 40.
Questions
How big a quilt does one charm pack make?
Forty-two squares set 6 by 7 make a 27" × 31 1/2" quilt, a good size for a baby mat or a table topper.
More fabric & precuts calculators
Get SeeMyQuilt on your iPhone and iPad
The app is in the works. Join the early list and help decide what goes in.
- 220+ traditional blocks with cutting charts
- Sashing, on-point and alternating settings
- 30 quilting calculators in your pocket
- Save projects and share the picture