Crochet Calculators

Tools for the counting part of crochet, from spacing increases around an amigurumi round to working out how much yarn a blanket needs.

• Online row counter for knitting and crochetTap-to-count rows and repeats; remembers your place.
• Crochet increase & decrease evenly calculatorEvenly spaced inc or dec for rows and rounds, in sc, hdc or dc.
• Cast-on and foundation chain calculatorHow many stitches to cast on or chain for a width, from your gauge.
• Gauge converter: adjust a pattern to your gaugeYour gauge differs from the pattern's: new stitch counts and finished size.
• Blanket yarn calculator and size chartHow much yarn a blanket needs, scaled up from a small swatch.
• Granny square blanket calculatorHow many squares a blanket needs, and the yarn to buy.
• Yarn substitution calculatorHow many skeins of a different yarn replace the pattern's yarn.
• Knitting needle and crochet hook size converterMetric to US sizes for knitting needles and crochet hooks.
• Handmade pricing calculatorWhat to charge for handmade items, after fees.