WAVODE
A flat-lay of five wooden crochet hooks in different sizes, an open notebook with a hand-drawn gauge swatch, brass scissors, a tape measure, and small balls of blush and navy yarn on cream linen
Free tools · No sign-up · Runs in your browser

Stop guessing.
Calculate everything.

Three free crochet calculators every maker needs. Everything runs client-side in your browser — no account, no ads, nothing you type reaches our servers.

Tool 01

Yarn calculator

Enter yarn weight, stitch and finished dimensions — get exact yardage and skein count with a 15% safety buffer built in.

Open the yarn calculator
Tool 02

Hook converter

Full Craft Yarn Council chart — 22 sizes from 2.25 mm to 25 mm. US letters, UK numbers and metric side-by-side with live lookup.

Open the hook converter
Tool 03

Gauge helper

Crochet a swatch, enter the count and target — get the exact hook to switch to, plus a projection of your finished size if you don’t adjust.

Open the gauge helper
Coming soon

Row counter · Pattern-repeat guide · Yarn-stash tracker

Most-asked tools jump the queue. Tell us on Pinterest (@wavode) or by email.

Frequently asked

Tool questions

Are the Wavode crochet tools really free?

Yes. No account, no ads, no email walls. Every calculation runs in your browser.

Do you save my data?

No. Everything runs client-side. Nothing you type is sent to our servers.

Can I embed a Wavode tool on my own blog?

Not yet — embed codes are on the roadmap. Email hello@wavode.com if you want to be an early tester.