How many pieces will this fabric give you — and where do the cuts go? Pick a fat quarter, fat eighth, half yard, yard, or type any size; enter the cut piece; and get the count, the leftover, a cutting diagram you can follow at the mat, and the yardage to buy if you'd rather cut from the bolt. Handles directional prints and turns pieces on non-directional ones to squeeze out extras.
12 pieces of 5″ × 5″ from one fat quarter — 21% left over. You need 4 of them for 40 pieces.
21″ wide × 18″ long.
Buying yardage instead
40 pieces off the bolt: cut 5 strips at 5″ across 40″ usable width (8 per strip) — buy ¾ yd.
Straight rotary cuts only, edge to edge — the way a mat and ruler actually work. Fat quarters are figured at 21″ × 18″ after squaring up; yardage at 40″ usable of a 44″ bolt.
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From a 21 × 18″ fat quarter. "Any direction" lets pieces turn; "directional" keeps them upright.
| Cut piece | Any direction | Directional print |
|---|---|---|
| 2½ × 2½″ | 56 | 56 |
| 3½ × 3½″ | 30 | 30 |
| 4½ × 4½″ | 16 | 16 |
| 5 × 5″ | 12 | 12 |
| 6½ × 6½″ | 6 | 6 |
| 10 × 10″ | 2 | 2 |
| 2½ × 4½″ | 32 | 32 |
| 2½ × 6½″ | 22 | 16 |
| 3½ × 6½″ | 15 | 12 |
| 2½ × 10½″ | 14 | 8 |
12. A fat quarter squares up to about 21 × 18 inches: four 5-inch columns across the 21-inch side and three down the 18-inch side. The leftover 1-inch and 3-inch strips are too narrow for another square.
56 — eight across by seven down from a 21 × 18 inch fat quarter. That is one more row than most charts give, because they figure the fat quarter at 20 × 17 after generous trimming. If you square up hard, plan on 49.
Because a rectangle often fits better in a mix of orientations. Once the main rows are cut there is usually a strip left along one edge that is too narrow for an upright piece but wide enough for a turned one. On a non-directional print that is free fabric. Tick 'directional' and the calculator keeps every piece upright.
Enter the cut size, seam allowance included — 2½ inches for a 2-inch finished square, 4⅞ for a 4-inch finished HST square. The calculator packs cut pieces; it does not add anything.
A fat quarter comes off the bolt as 18 × 22 inches. After you trim the selvage and square the edges you reliably have 18 × 21 inches, and that is what the calculator uses. If yours is bigger, choose Custom size and type it in.
Bundles are the cheapest way to buy many prints in small cuts.
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