Conversion Chart for Yarn/Thread Sizes for Knitting & Weaving

Old Yarn Designation	New Designation	Yards/Pound	Wraps/Inch	Gauge Sts per 4"	US Needle Size
Fingering, Baby, Sock, Lace	Superfine [1]	2600+	35+	27 to 32	0-3
Baby, Sport, Fingering	Fine [2]	1900-2400	19-22	23 to 26	3-5
Lt Worsted, DK, Sport	Light [3]	1200-1800	15-18	21 to 24	5-7
Afghan, Worsted	Medium [4]	900-1200	12-14	16 to 20	7-9
Aran, Craft, Chunky, Bulky	Bulky [5]	600-800	9-11	12 to 15	9-13
Rug, Roving, Very Bulky	Super Bulky [6]	400-500	8 or less	6 to 11	13-19