Crochet Hook Conversion Chart

Date: 17th October 2013


Hook sizes and their designations vary from country to country. When following the recommendations in a pattern or on a ball band, make sure to check which size convention is being used.


Enjoyed this? Why not share it?


Leave a comment

Tell us your thoughts below.

Want to leave a comment on this tutorial? Please login below, or register.

Login to your account


  • Susan

    Susan 21st October 2014 18:02

    This chart of hook sizes is very helpful and I use it a lot. Would it be possible for you to publish a list of which size hook is best to use for the various yarns and threads? For example size 1.25mm hook for size 20 cotton and 4mm hook for DK yarn.


174 issue

174 issuePops of colour: Add some winter cheer with happy & bright makes Read more...

Grab our button!
Inside Crochet Magazine

Show your support for Inside Crochet Magazine by adding a button to your website. Simple copy and paste the HTML code below onto your website:

Join our newsletter

Join our newsletter to keep up-to-date with Inside Crochet and receive exclusive content – straight to your inbox!

Join our newsletter →
Get the digital download

Inside Crochet - get the digital downloadRead Inside Crochet magazine on the go anywhere in the world with our digital downloads. Available now for iPhone, iPad, Kindle, Blackberry, Windows 8 & Surface!
Download now →