Free crochet calculators & charts
Quick, accurate tools for planning a project. No sign-up, works on your phone.
Yarn yardage calculator
Yards and skeins for any size, weight and stitch, or from your own swatch.
Hook size converter
mm, US letters, old UK, Japanese and steel hooks.
Gauge calculator
Compare your swatch and resize stitch and row counts.
Yarn weight chart
Weights 0–7, gauge, hook sizes and a substitution helper.
Blanket size chart
Lovey to king, inches and cm, with yarn amounts.
Row counter & project tracker
Count rows, keep notes and save favourite patterns.
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