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 |