Gauge & Pattern Math

Learn how gauge, stitch counts, row counts, and pattern math affect the size and fit of knitting and crochet projects.

Gauge is the foundation of accurate knitting and crochet sizing. Small differences in stitch or row gauge can change the finished dimensions of a project.

These guides explain how to measure gauge, make gauge swatches, adjust stitch counts, resize patterns, and work through common pattern math. Use the Gauge Calculator when you need a quick calculation.

Check your gauge