Quilting calculators

Check the math. Keep the assumptions.

Each focused calculator explains what it counted and rounds fabric purchases upward. No signup or upload is needed.

Choose yardage, backing, batting, binding, HST, QST, Flying Geese, block count, borders, sashing, or finite-stock fit.

Half-square triangles

Size starting squares for 2, 4, or 8 at a time.

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Pieces from fabric

Fit repeated pieces in one real fabric rectangle.

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Learn the measurements behind the answers

Start with usable width of fabric, check finished versus cut size, or follow the full quilt yardage method.