Metric O-ring Sizes
| ID IN MILLIMETERS |
| WIDTH IN MILLIMETERS |
| 2 |
| 1 |
| 2.5 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1.5 |
| 3 |
| 2 |
| 3.1 |
| 1.6 |
| 3.3 |
| 1.6 |
| 3.5 |
| 1.5 |
| 3.7 |
| 1.6 |
| 4 |
| 1 |
| 4 |
| 1.25 |
| 4 |
| 1.5 |
| 4 |
| 1.6 |
| 4 |
| 2 |
| 4.1 |
| 1.6 |
| 4.3 |
| 2.4 |
| 4.4 |
| 0.8 |
| 4.5 |
| 1.5 |
| 4.7 |
| 1.6 |
| 4.9 |
| 1.9 |
| 5 |
| 1 |
| 5 |
| 1.5 |
| 5 |
| 2 |
| 5 |
| 2.5 |
| 5 |
| 3 |
| 5.3 |
| 2.4 |
| 5.5 |
| 2 |
| 5.7 |
| 1.9 |
| 6 |
| 1 |
| 6 |
| 1.5 |
| 6 |
| 2 |
| 6 |
| 2.5 |
| 6 |
| 3 |
| 6.3 |
| 2.4 |
| 6.5 |
| 1.5 |
| 6.9 |
| 1.4 |
| 7 |
| 1 |
| 7 |
| 1.5 |
| 7 |
| 2 |
| 7.1 |
| 1.6 |
| 7.2 |
| 1.9 |
| 7.3 |
| 2.4 |
| 7.5 |
| 1.5 |
| 7.6 |
| 2.4 |
| 8 |
| 1 |
| 8 |
| 1.5 |
| 8 |
| 2 |
| 8 |
| 2.5 |
| 8 |
| 3 |
| 8 |
| 4 |
| 8.1 |
| 1.6 |
| 8.3 |
| 2.4 |
| 8.5 |
| 3 |
| 8.6 |
| 2.4 |
| 8.9 |
| 1.9 |
| 9 |
| 1.5 |
| 9 |
| 1.8 |
| 9 |
| 2 |
| 9 |
| 2.5 |
| 9 |
| 3 |
| 9 |
| 3.5 |
| 9 |
| 4 |
| 9.1 |
| 1.6 |
| 9.3 |
| 2.2 |
| 9.3 |
| 2.4 |
| 9.5 |
| 0.8 |
| 9.6 |
| 2.4 |
| 10 |
| 1 |
| 10 |
| 1.5 |
| 10 |
| 2 |
| 10 |
| 2.5 |
| 10 |
| 3 |
| 10 |
| 4 |
| 10.1 |
| 1.6 |
| 10.3 |
| 2.4 |
| 10.5 |
| 2 |
| 11 |
| 1.5 |
| 11 |
| 2 |
| 11 |
| 2.5 |
| 11 |
| 3 |
| 11 |
| 3.5 |
| 11.3 |
| 2.4 |
| 11.63 |
| 1.35 |
| 11.89 |
| 1.92 |
| 12 |
| 1 |
| 12 |
| 1.5 |
| 12 |
| 2 |
| 12 |
| 2.5 |
| 12 |
| 3 |
| 12 |
| 3.5 |
| 12 |
| 4 |
| 12.3 |
| 2.4 |
| 12.5 |
| 0.8 |
| 12.5 |
| 1 |
| 12.9 |
| 1.24 |
| 13 |
| 1 |
| 13 |
| 1.5 |
| 13 |
| 2 |
| 13 |
| 2.5 |
| 13 |
| 3 |
| 13.1 |
| 1.6 |
| 13.3 |
| 2.4 |
| 13.5 |
| 2 |
| 13.5 |
| 2.5 |
| 13.95 |
| 2.62 |
| 14 |
| 1.5 |
| 14 |
| 2 |
| 14 |
| 2.5 |
| 14 |
| 3 |
| 14 |
| 3.5 |
| 14 |
| 4 |
| 14.3 |
| 2.4 |
| 15 |
| 1 |
| 15 |
| 1.5 |
| 15 |
| 2 |
| 15 |
| 2.5 |
| 15 |
| 3 |
| 15 |
| 4 |
| 15 |
| 3.5 |
| 15.3 |
| 2.4 |
| 15.6 |
| 2.4 |
| 16 |
| 1.5 |
| 16 |
| 2 |
| 16 |
| 2.5 |
| 16 |
| 3 |
| 16 |