Craft cluster
Craft calculators
Knitting and crochet gauge, yarn for blankets, needle size conversion, cross stitch fabric, and quilt layout. The arithmetic does not depend on a yarn-brand app.
Knitting, crochet, and fabric
Swatch math, yardage estimates, and cut sizes with inches and centimetres.
Knitting Gauge Calculator
Converts a knitting gauge swatch into cast-on stitches and a pattern adjustment factor.
Crochet Gauge Calculator
Converts a crochet gauge swatch into stitch counts and a pattern adjustment factor.
Yarn Calculator
Estimates yarn grams, yards, and 100 g skeins for a blanket, scarf, or hat.
Needle Size Converter
Converts knitting needle and crochet hook sizes across millimetres, US, UK, and Japan.
Cross Stitch Fabric Calculator
Cuts Aida or evenweave fabric size from stitch counts, fabric count, and over 1 or 2.
Quilt Size Calculator
Adds quilt blocks, sashing, borders, and a bed drop to a finished size in inches and centimetres.