Crochet Hook Sizes: Metric and American Crochet Hook Conversion Chart

Crochet hook bag showcasing a variety of crochet hook sizes.Are you learning to crochet? Different crochet hook sizes can be confusing if you’re new to the craft. How do you know which hook to use with different types of yarn? And there are even different names for the same crochet hook sizes in Europe and the USA too!

Crochet hooks come in a range of sizes, and the size of hook needed is directly related to the thickness of yarn being used. A fine yarn requires a small hook, while a thick yarn will need a much chunkier hook. There are two main sizing schemes for crochet hooks: the metric system and the American system. The chart below lists the sizes available with conversions for both systems:

Crochet Hook Sizes Chart

Crochet hook sizes chart. Convert crochet hook sizes from metric sizes to American sizes or vice versas!

Crochet hooks can be made from a variety of materials including metal, plastic, wood and bamboo. Check out our great range of crochet hooks, and experiment with different crochet hook sizes! Then let us know what you’ve been making!

Have you used all of these crochet hook sizes? Do you prefer working with fine or chunky yarn? Leave a comment below or post your thoughts on our Facebook page!

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