What is the common gauge in crochet for lace weight yarn?

Skill Level: 2. Easy,
Yarn Brand: Rowan,
Yarn Weight: Weight 0 &#8211; Lace,
Hook Size: 6.5 mm (K-10.5),
Stitches: Herringbone Double Crochet,
Color: Orange,

The expected gauge in crochet for lace (#0) weight yarn is 32–42 double crochets when using hook sizes 2.25 mm (B-1).

What is crochet hooks do you use with lace weight yarn?

The recommended crochet hooks to use with lace weight yarn are 2.25 mm (B-1).

These free crochet patterns were all created using various yarn types and brands, but all use the Lace (#0) yarn weight.