Yarn Weights & Conversion Chart

A handy yarn weight conversion chart for United States vs United Kingdom yarns.

US Yarn Weight UK Yarn Weight
thread, cobweb, lace weight, 1-2 ply
fingering weight, sock yarn, baby yarn 3-4 ply
sport weight, baby yarn 4 ply
light worsted weight, dk, 8 ply
worsted weight, afghan aran, 10 ply
bulky, rug, chunky, 12 ply
roving, super bulky super chunky

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