Free crochet tools & tutorials
Calculate, Convert & Learn Crochet for Free!
Instant calculators for gauge, sizing, and stitch terms, plus step-by-step tutorials. No account. No paywall.
Core Features of our Tools
Pick a tool and jump in—everything lives in one place.
US ↔ UK terms
Convert stitch terms between US and UK naming instantly.
Gauge calculator
Calculate gauge and sizing adjustments without the guesswork.
Pattern grading
Scale patterns across sizes with clear step-by-step outputs.
Hook & yarn chart
Yarn weights and suggested hook sizes in mm and US letters.
Increase & decrease
Spread shaping evenly across a row with a copyable pattern line.
Yarn yardage
Estimate how much yarn you need before you cast on.
Latest tutorials
Fresh step-by-step patterns and guides free to follow.
Purple Dragon Amigurumi Crochet Pattern with Wings & Belly
Crochet a sitting purple dragon amigurumi with wings, a striped belly, spikes and toenails. Cotton sport-weight pattern with full rounds.
Cute Fruit & Veggie Amigurumi Crochet Pattern
Crochet a cute round fruit and veggie amigurumi with legs, hands and your choice of leaf, eggplant or banana hat. Full rounds for kawaii plush.
Baby Yellow Chick Amigurumi Crochet Pattern
Make a tiny round baby chick amigurumi. Beginner-friendly Easter and spring crochet pattern with a small beak, using simple decreases.
Grinch Amigurumi Crochet Pattern with Santa Hat & Candy Cane
Crochet a cute Grinch head amigurumi with Santa hat, tiny hands and a striped candy cane. Step-by-step rounds for a festive Christmas decoration.
Why makers use OpenCrochet
Free calculators and clear tutorials in one place—so you spend less time guessing and more time stitching.
Instant answers at the hook
Convert US and UK terms, check gauge, grade sizes, and plan increases—without digging through charts or spreadsheets.
Tutorials you can follow
Step-by-step patterns and guides for beginners through advanced makers—organized by category so you find your next project fast.
No account. No paywall.
Open a tool or tutorial and start immediately. Everything on OpenCrochet is free for makers.
Try the free tools
Frequently asked questions
Quick answers about free tools and tutorials. Still stuck? Reach out—we’ll help.
Yes. Every calculator on OpenCrochet—US↔UK terms, gauge, pattern grading, hook & yarn chart, increase/decrease, and yarn yardage—is free to use with no account required.