All quilting calculators

Every tool on QuiltMath, in one place. Each calculator takes your exact measurements and returns cutting-ready numbers, with the math shown.

Fabric and finishing

Backing calculatorYardage, panel cuts, and seam placement for any quilt and fabric width. Binding calculatorStrips, yardage, and bias squares for straight or curved edges. Batting calculatorBatting dimensions and the standard package that covers them. Fabric calculatorPieces from your yardage, or yardage for your pieces.

Planning and blocks

Quilt size calculatorThe size to make for any bed, drop, and pillow tuck. Border calculatorCut lengths, strips, and yardage for up to three borders. HST calculatorStarting squares for 2, 4, or 8 at a time half square triangles. Flying geese calculatorCutting sizes for traditional and no waste methods. Setting triangle calculatorSide and corner triangles for on point quilts. Sashing calculatorEvery sashing piece, cornerstones, and yardage. T-shirt quilt calculatorLayout, quilt size, and interfacing yardage. Measurement converterYards, inches, centimeters, and meters, instantly. Strip calculatorStrips per yard, or yardage for your strips, any width. Precut calculatorJelly rolls, charm packs, layer cakes, or fat quarters for any quilt.

Every calculator, verified before launch

Each tool above launched only after its math was verified against published quilting references and a suite of hand-computed test cases, because a calculator you cannot trust is worse than no calculator at all. Spot an answer that surprises you? Check the sources and methodology section on the tool's page; every formula is shown.