Do I need to create an account?

No. You can open any tool or tutorial and use it immediately. There is no sign-up wall and no subscription.

Which free tools are available?

US↔UK stitch term converter, gauge calculator, pattern grading calculator, hook & yarn size chart, increase/decrease planner, and a yarn yardage estimator for skein counts.

How do I get help or suggest a feature?

Use the contact form. We read every message and welcome tool ideas, tutorial requests, and bug reports.

Free crochet tools & tutorials

Calculate, Convert & Learn Crochet for Free!

Q: What tutorials will I find here?

Step-by-step crochet tutorials and patterns for beginners through advanced makers, organized by category so you can browse by project type.

Instant calculators for gauge, sizing, and stitch terms, plus step-by-step tutorials. No account. No paywall.

Open free tools Browse tutorials

Purple Dragon Amigurumi crochet pattern sheet — free tutorial on OpenCrochet

Free calculators makers use every project

Convert terms, check gauge, grade sizes, and plan yarn—then keep stitching. Everything runs in your browser.

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.

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Learn the craft behind the tools

Free guides on gauge, terminology, and yarn planning—written to help you use the calculators with confidence.

All guides

How to check crochet gauge (and why it matters)

Swatch, measure, and translate your gauge into stitch counts—without rewriting the whole pattern by guesswork.

US vs UK crochet terms: how to read either system

Same stitches, different names—learn the mapping and avoid the classic sc/dc mix-up.

How to estimate yarn for a crochet project

Size, yarn weight, and density → a practical yardage (and skein) estimate before checkout.

Latest tutorials

Fresh step-by-step patterns and guides free to follow.

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A small square red crocheted gift box with a mustard yellow ribbon and bow held in a hand, and a blue version with a yellow cross ribbon and star on the lid

Crochet Gift Box Pattern with Lid and Star

Crochet a tiny square gift box with a lift-off lid, yellow ribbon and star.

Home Decorbeginner

A small grey crocheted manatee with black safety eyes, two grey side fins and a flat rounded tail, held in the palm of a hand

Manatee Friend Amigurumi Crochet Pattern

Crochet a chubby, palm-sized grey manatee in one piece with a flat row-worked tail and two little fins

Amigurumibeginner

Light brown crocheted amigurumi capybara with a dark brown muzzle, ears and paws, wearing a green turtle backpack and holding a white and beige bubble tea cup with black boba dots

Capybara with Turtle Backpack Crochet Pattern

Crochet a cozy amigurumi capybara with a green turtle backpack and a bubble tea cup.

Amigurumiintermediate

Two small crocheted hedgehogs with cream bodies holding hands in the grass, one with shaggy orange spines and one with grey spines, both with brown noses and pink cheeks

Hedgehog Amigurumi Crochet Pattern with Loop Stitch Spines

Crochet a hedgehog with a shaggy loop stitch spine coat and movable arms and legs. US terms, sport yarn, tips and FAQ.

Amigurumiintermediate

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.