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Crochet sock and slipper sizes: foot length and circumference

Measure the foot length and the circumference around the widest part. A woman’s US 7–9½ foot is about 23.5–25.5 cm long and 20.5 cm around; a man’s US 9–11½ about 26–28 cm long and 23 cm around.

Foot sizes by shoe size

Foot sizes by shoe size
US shoe sizeAgesFoot aroundFoot lengthSock height
Baby, child and youth: 0–4 (baby)6–18 months11 cm (4.5 in)7.75–11.5 cm (3–4.5 in)6.5 cm (2.5 in)
Baby, child and youth: 5–9 (toddler)2–3 years14 cm (5.5 in)12–15.25 cm (4.75–6 in)9 cm (3.5 in)
Baby, child and youth: 10–13 (child)4–5 years15.5 cm (6 in)16.5–19 cm (6.5–7.5 in)11.5 cm (4.5 in)
Baby, child and youth: 1–3 (youth)6–9 years16.5 cm (6.5 in)19.75–21.5 cm (7.75–8.5 in)14 cm (5.5 in)
Baby, child and youth: 4–6 (youth)10–13 years17.5 cm (7 in)22.25–24 cm (8.75–9.5 in)16.5 cm (6.5 in)
Woman: 4–6½Adult17.5 cm (7 in)20.25–23 cm (8–9 in)16.5 cm (6.5 in)
Woman: 7–9½Adult20.5 cm (8 in)23.5–25.5 cm (9.25–10 in)17.5 cm (7 in)
Woman: 10–12½Adult23 cm (9 in)26–28 cm (10.25–11 in)19 cm (7.5 in)
Man: 6–8½Adult20.5 cm (8 in)23.5–25.5 cm (9.25–10 in)19 cm (7.5 in)
Man: 9–11½Adult23 cm (9 in)26–28 cm (10.25–11 in)20.5 cm (8 in)
Man: 12–14Adult25.5 cm (10 in)28.5–30.5 cm (11.25–12 in)21.5 cm (8.5 in)

Hand sizes for mittens and mitts

Hand sizes for mittens and mitts
SizeHand aroundHand length
Child 2–4 years13 cm (5 in)10 cm (4 in)
Child 4–6 years15 cm (6 in)12 cm (4.75 in)
Child 6–8 years16.5 cm (6.5 in)13.5 cm (5.25 in)
Woman small18 cm (7 in)16 cm (6.25 in)
Woman medium19 cm (7.5 in)16.5 cm (6.5 in)
Woman large20.5 cm (8 in)19 cm (7.5 in)
Man small20.5 cm (8 in)19 cm (7.5 in)
Man medium21.5 cm (8.5 in)20 cm (7.75 in)
Man large23.5 cm (9.25 in)21.5 cm (8.5 in)

Fit slippers and socks in crochet

Crochet fabric stretches less than knitting, so work socks and slippers close to the measured circumference rather than much smaller. For a slipper sole, make the length about 1 cm shorter than the foot so it does not slide; check it on the foot before adding the upper.

Sock height is measured from the floor to where the cuff stops. A cuff in back-loop ribbing stretches more than plain rows, which helps it pass over the heel.