Hook size

15 mm crochet hook

A 15 mm crochet hook equals US size P/Q and has no old UK number. It is the recommended hook range for super bulky (6) and jumbo (7) yarn, and crocheters typically choose it for jumbo yarn blankets, pet beds and roving-style chunky projects. Always check gauge with a swatch, because tension varies between crocheters.

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15 mm crochet hook conversions
MetricUSOld UKSuits yarn weights
15 mmP/Q—#6 Super Bulky, #7 Jumbo

What is a 15 mm crochet hook in US and UK sizes?

A 15 mm hook is US size P/Q and has no old UK equivalent. Metric millimetres are the only measurement that is the same on every brand, so check the mm size stamped on the hook.

Hook sizes around 15 mm
MetricUSOld UKYarn weights
11.5 mmP-16—#6
12 mm——#6
15 mm (this hook)P/Q—#6, #7
16 mmQ—#7
19 mmS—#7

What yarn weight goes with a 15 mm hook?

A 15 mm hook is typically used with super bulky (#6) yarn or jumbo (#7) yarn. Super Bulky yarn gives about 7–9 sc per 4 in / 10 cm and suits chunky blankets, baskets, oversized scarves. Jumbo yarn gives about 6 sc or fewer per 4 in / 10 cm and suits jumbo blankets, pet beds, floor cushions.

Yarn weights for a 15 mm hook
WeightAlso calledCrochet gaugeRecommended hooks
#6 Super BulkySuper chunky, Roving, 14-ply (AU/NZ, approximate)7–9 sc per 4 in / 10 cm9–15 mm
#7 JumboJumbo, Roving, Chenille jumbo6 sc or fewer per 4 in / 10 cm15 mm and larger