Yarn weight #0

Lace weight yarn (#0)

Lace weight yarn is category 0 in the Craft Yarn Council system, the thinnest standard yarn weight. Crocheters work it with steel hooks from 1.4 to 1.6 mm or a 2.25 mm regular hook, at 32–42 double crochet per 4 inches, for doilies, lace shawls and fine edgings.

By the crochetpatterns.io editorial team · Updated · Editorial policy

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Lace weight yarn with a matching hook and swatch
Lace yarn at a glance
DetailValue
CYC number#0
Also calledFingering 10-count crochet thread, Cobweb, Light fingering
Crochet gauge32–42 dc per 4 in / 10 cm
Hook size (mm)1.6–1.4 mm steel; up to 2.25 mm regular
Hook size (US)Steel 6, 7, 8; regular B-1
Yards per 100 gabout 600–900 yd
Best forDoilies, Lace shawls, Thread crochet edgings, Fine motifs

What is lace weight yarn called in the US and UK?

Lace yarn is category 0 in the Craft Yarn Council system. You will also see it sold as fingering 10-count crochet thread, cobweb, light fingering. It typically runs about 600–900 yd per 100 g, though the exact length depends on the fibre.

How does lace yarn compare with the weights either side?

It is the finest standard category. Super Fine (#1) is one step thicker at 21–32 sc per 4 in / 10 cm. Moving one weight up usually means going up about one to two hook sizes.

Lace yarn and neighbouring weights
WeightCrochet gauge (4 in)Hook (mm)Hook (US)Yards per 100 g
#0 Lace32–42 dc per 4 in / 10 cm1.6–1.4 mm steel; up to 2.25 mm regularSteel 6, 7, 8; regular B-1about 600–900 yd
#1 Super Fine21–32 sc per 4 in / 10 cm2.25–3.5 mmB-1 to E-4about 350–500 yd

What is lace yarn best for?

Lace yarn is a good choice for doilies, lace shawls, thread crochet edgings, fine motifs. Our library has 1008 patterns in this weight, such as a narrow block insertion, baldwin lace (1891), chain loop edge for the basket pillow slip (1920), chain scallop edge for the kitchen towel (1920), crazy pattern lace (1891).

Sources and scope

  • Craft Yarn Council: Standard Yarn Weight System

    Source for categories 0–7 and the crochet gauge and hook ranges. These are starting guidelines; use the gauge in your pattern. Regional ply names and yards per 100 g are approximate comparisons, not CYC specifications.

Patterns using lace yarn