All seven tools
Each one runs on this page without an account and without a connection once the page has loaded. Chart values come from the Craft Yarn Council.
Crochet Hook Size Chart: mm to US Size Converter
Convert a crochet hook between millimetres and US sizes, see which yarn weights suit it, and read the full Craft Yarn Council hook size chart below.
Yarn Weight Chart: Find Your Crochet Yarn Weight
Pick a Craft Yarn Council yarn weight from 0 to 7 to see its name, yarn types, recommended crochet hook and gauge range, plus the full chart below.
Crochet Hat Size Chart and Stitch Count Calculator
Pick a Craft Yarn Council head size or enter a head circumference, add your gauge, and get the number of stitches around for a crochet hat.
Crochet Yarn Calculator: How Much Yarn You Need
Work out how many yards or metres of yarn and how many skeins a crochet project needs from your own gauge swatch, with a margin you set yourself.
Online Crochet Row Counter: Count Rows and Stitches
Count crochet rows and stitches with big add and take away buttons, keyboard keys and named counters that save on your device and work offline.
Crochet Abbreviations and US to UK Stitch Names
Search the Craft Yarn Council list of crochet abbreviations and convert stitch names between US and UK terms, from sc and dc to htr and trtr.
Crochet Pricing Calculator: Cost, Price and Fees
Enter your own materials, hours, hourly rate, overhead, markup and platform fee to see your cost, your price and what you keep after the fee.