Quilt Math Quilting Tools

16 quilting calculators and 13 reference guides, free forever. Upgrade to Maker or Master Quilter for cloud sync, quilt grouping, and shopping lists.

Quilt Math takes the guesswork out of quilting math. Sixteen calculators and thirteen reference tools cover everything from borders and binding to backing, batting, and bias tape — every one of them free to use, with no limits.

CALCULATORS

Borders (crosswise) and Border Calculator (Lengthwise) — up to 4 sequential border rounds Backing & Batting — backing fabric and matching batting size Binding — double-fold binding strips and yardage Bias Tape — continuous bias tape square size and yardage for any length Sashing — strips between blocks, with or without cornerstones Piece to Yardage and Yardage to Piece — squares, rectangles, HSTs, and more Strip to Yardage — full-width-of-fabric strips T-Shirt Quilt — block grid, sashing, and interfacing Setting Triangles — side and corner triangles for on-point layouts Flying Geese and Square-in-a-Square — no-waste methods Shape Calculator — squares, rectangles, HST, QST, triangles, diamonds, hexagons Equivalent-Area Yardage — swap fabric widths without losing coverage Diagonally Pieced Backing — one diagonal seam instead of two full panels REFERENCE TOOLS

Standard Quilt Sizes and Measurement Converter Machine Embroidery Stabilizer Guide and Batting Type Reference Sewing Machine, Embroidery Machine, Longarm, and Serger Troubleshooting guides Thread Conversion Tool, Solid Fabric Conversion Tool, and DMC to Cosmo Conversion Chart PreCut Guide and Needle Guide Every calculation is saved to your local history automatically, so you can pick up right where you left off.

UPGRADE FOR MORE Maker ($1.99/month or $19.99/year) adds cloud backup and sync across up to 5 devices, up to 100 saved calculations, quilt grouping for up to 10 projects, and a shopping list for up to 100 items.

Master Quilter ($5.99/month or $59.99/year) raises every limit: sync across up to 10 devices, up to 1,000 saved calculations, quilt grouping for up to 100 projects, and a shopping list for up to 1,000 items.

Quilt Math is built by Quilt Elements for quilters who'd rather be sewing than doing math by hand.