Knitting calculators & tools

Everything you need to use, adapt and understand a pattern — whatever language it was written in. Free, instant, no sign-up.

Turn your swatch into cast-on stitches and row counts.

Adjust any pattern's stitch counts to your own gauge.

Swap the pattern yarn for yours and get the ball count.

Estimate how much yarn your project needs.

Space increases or decreases evenly across a row.

Metric, US and UK needle and crochet hook sizes.

Start from your own pattern

Upload a Japanese, French, German or Scandinavian PDF and get a clear English version — then run the numbers through these calculators.