Seam & Stitch

Yarn weight chart

Typical gauge and tool sizes per yarn weight category. Gauge is stitches per 4 inches (10 cm).

WeightYarn typesKnit gauge (stockinette)NeedlesCrochet gauge (sc)Hooks
0 LaceFingering, 10-count crochet thread33–401.5–2.25 mm (US 000–1)32–42 dcSteel 1.4–1.6 mm (steel 6, 7, 8); regular 2.25 mm (B-1)
1 Super fineSock, fingering, baby27–322.25–3.25 mm (US 1–3)21–322.25–3.5 mm (B-1 to E-4)
2 FineSport, baby23–263.25–3.75 mm (US 3–5)16–203.5–4.5 mm (E-4 to 7)
3 LightDK, light worsted21–243.75–4.5 mm (US 5–7)12–174.5–5.5 mm (7 to I-9)
4 MediumWorsted, afghan, aran16–204.5–5.5 mm (US 7–9)11–145.5–6.5 mm (I-9 to K-10½)
5 BulkyChunky, craft, rug12–155.5–8 mm (US 9–11)8–116.5–9 mm (K-10½ to M-13)
6 Super bulkySuper bulky, roving7–118–12.75 mm (US 11–17)7–99–15 mm (M-13 to Q)
7 JumboJumbo, roving6 and fewer12.75 mm and larger (US 17+)6 and fewer15 mm and larger (Q+)

Guidelines only: your pattern’s gauge always wins. Source: Craft Yarn Council’s www.YarnStandards.com.

Frequently asked questions

What weight is worsted yarn?

Worsted is category 4 (medium), typically 16–20 stitches per 4 inches in stockinette on 4.5–5.5 mm needles.

Is DK the same as light worsted?

Both are in category 3 (light) in the Craft Yarn Council system.

Size charts

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