Free Tools

Interactive calculators built for knitting and crochet for beginners. No sign-up, no downloads — enter your numbers and get an answer you can act on.

Turn a measured swatch into the cast-on stitches and rows you need for your target width and length.

Estimate how many yards a project needs, from a hat to an adult sweater, adjusted for yarn weight.

Convert yards needed and yards per skein into how many skeins to buy, with a safety margin.