U.S.P. SUTURE SIZES CHART

U.S.P. Size	COLLAGEN SUTURES		SYNTHETIC SUTURES
	Metric Size	Diameter Range	Metric Size	Diameter Range
# 7	–	–	9	0.900 – 0.999
# 6	–	–	8	0.800 – 0.899
# 5	–	–	7	0.700 – 0.799
# 4	8	0.800 – 0.899	6	0.600 – 0.699
# 3	7	0.700 – 0.799	6	0.600 – 0.699
# 2	6	0.600 – 0.699	5	0.500 – 0.599
# 1	5	0.500 – 0.599	4	0.400 – 0.499
# 0	4	0.400 – 0.499	3.5	0.350 – 0.399
# 2-0	3.5	0.400 – 0.399	3	0.300 – 0.339
# 3-0	3	0.300 – 0.339	2	0.200 – 0.249
# 4-0	2	0.200 – 0.249	1.5	0.150 – 0.199
# 5-0	1.5	0.150 – 0.199	1	0.100 – 0.149
# 6-0	1	0.100 – 0.149	0.7	0.070 – 0.099
# 7-0	0.7	0.070 – 0.099	0.5	0.050 – 0.069
# 8-0	0.5	0.050 – 0.069	0.4	0.040 – 0.049
# 9-0	0.4	0.040 – 0.049	0.3	0.030 – 0.039
# 10-0	–	–	0.2	0.020 – 0.029