Knitting & crochet calculators
Gauge, cast-on counts, shaping spread evenly across a row, blanket sizes and yarn swaps.
Knitting Gauge CalculatorCast-on and row counts from your swatch, with pattern multiples.Increase & Decrease Evenly CalculatorRow-by-row instructions to spread increases or decreases evenly.Blanket Size CalculatorCommon blanket sizes and the stitches to cast on or chain at your gauge.Yarn Substitution CalculatorHow many skeins of a different yarn replace the one in your pattern.
Everything starts from a washed swatch. The gauge calculator turns it into cast-on and row counts; the other tools build on that.