Crochet hooks come in a lot of different sizes and types. Below you will find a handy crochet comparison chart that lists crochet hooks in US and metric sizes.
Scroll on down to find a free printable crochet hook size chart that you can take with you on the go. Don’t forget to take a peek at the RPD archives so you have a crochet pattern to use your new chart with!
Below we’ll talk about the crochet hook and then share a link to download a FREE printable that lists all the crochet hooks sizes and it is perfect to use as a reference.
What is a Crochet Hook?
First things first a crochet hook is a tool that helps create stitches with yarn. Crochet hooks come in different sizes and varieties.
All About Crochet Hook Sizes
The diameter of a hook shaft determines the size of the hook and the size of the stitches that are made. Hook sizes are measured in millimeters and are available from as small as 2 mm to 20 mm or bigger!
The usual rule of thumb is the bigger or thicker the yarn the bigger size hook you will need. Hooks can be labeled with US sizes or metric sizes so this chart is a great reference for comparison.
Check out my favorite set below!
Since they are many manufacturers of hooks take the time to check the size of the hook and your gauge when crocheting a pattern. The difference in sizes in hooks and manufacturers is one of the good reasons to have this chart in arms reach!
There are many ways to use this guide as a reference:
- Bookmark this page and use the chart below here on the blog.
- Pin an image from this page to your Pinterest board
- Sign up for my email list and get the free printable chart.
Crochet Hook Sizes
Explained in U.S. and Metric Sizes
|US Size||Metric Size|
|C/2||2.5 mm , 2.75 mm|
|D/3||3 mm, 3.25 mm|
|F/5||3.75 mm, 4 mm|
|G/6||4 mm, 4.25 mm|
|K/10.5||6.5 mm, 7 mm|
Do You Want a Copy of Your Own?
Click the button below to download your very own copy of the chart “Crochet Hook Sizes”