Fat quarter calculator
A fat quarter is about 18" × 21". Enter a piece size to see how many you get from one, and how many fat quarters you need.
Per fat quarter12 pieces
- You need 4 fat quarters for 42 pieces
What one fat quarter yields
| Cut | Pieces per fat quarter |
|---|---|
| 2 1/2" × 2 1/2" | 56 |
| 3" × 3" | 42 |
| 3 1/2" × 3 1/2" | 30 |
| 4" × 4" | 20 |
| 4 1/2" × 4 1/2" | 16 |
| 5" × 5" | 12 |
| 6 1/2" × 6 1/2" | 6 |
| 10" × 10" | 2 |
| 2 1/2" × 21" | 7 |
How it is calculated
A fat quarter is a half yard cut in half across its width, giving a piece about 18" × 21" instead of the long thin 9" × 42" of a regular quarter yard.
The calculator allows 18" × 21" of usable fabric and tries the piece in both directions.
Questions
How many fat quarters make a quilt?
About 12 fat quarters make a lap quilt top and about 20 make a twin, depending on the pattern.
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