Fraction | Decimal | Metric (mm) |
1/16″ | 0.0625 | 1.59 |
1/8″ | 0.125 | 3.18 |
3/16″ | 0.1875 | 4.76 |
1/4″ | 0.250 | 6.35 |
5/16″ | 0.3125 | 7.94 |
3/8″ | 0.375 | 9.53 |
7/16″ | 0.4375 | 11.11 |
1/2″ | 0.500 | 12.70 |
9/16″ | 0.5625 | 14.29 |
5/8″ | 0.625 | 15.88 |
11/16″ | 0.6875 | 17.46 |
3/4″ | 0.750 | 19.05 |
13/16″ | 0.8125 | 20.64 |
7/8″ | 0.875 | 22.23 |
15/16″ | 0.9375 | 23.81 |
1″ | 1.00 | 25.40 |
1 1/8″ | 1.13 | 28.70 |
1 1/4″ | 1.25 | 37.75 |
1 3/8″ | 1.375 | 34.93 |
1 1/2″ | 1.50 | 38.10 |
1 3/4″ | 1.75 | 44.45 |
2″ | 2.00 | 50.80 |
2 1/2″ | 2.50 | 63.50 |
3″ | 3.00 | 76.20 |
3 1/2″ | 3.50 | 88.90 |
4″ | 4.00 | 101.6 |