What yarn is recommended to use with the 6 mm (J-10) crochet hook?

It is recommended that yarn weights are used with the 6 mm (J-10) crochet hook size.

What is the comparable UK size of a J-10 crochet hook?

The United Kingdom size of 4 is the same as the US crochet hook size of J-10.

What is the metric equivalent of a J-10 crochet hook?

The metric size of 6 mm is the same as the US crochet hook size of J-10.

What is the US size of a 6 mm crochet hook?

The US size of J-10 is the same as the metric crochet hook size of 6 mm.

Crochet Hook 6 mm (J-10)

This is the Easy Crochet archive for free crochet patterns using the J/10 hook size. The J-10 hook size is also known as the 6 mm metric and UK 4 hook. We recommend using the J hook with Medium weight yarn (Worsted, Afghan or Aran).

The J-10 / 6 mm / UK4 hook is the perfect size for making everything from baby blankets to scarves to ear warmers.

Buy this hook on Amazon

Free Crochet Patterns using 6 mm (J-10) Crochet Hooks

These free crochet patterns were all created using various yarn types and brands, but all use the 6 mm (J-10) sized crochet hook.