Fractions, Decimals & Millimeter Conversion Chart
| Fractions of an Inch | Equivalents | ||||||
|---|---|---|---|---|---|---|---|
| 64 | 32 | 16 | 8 | 4 | 2 | Decimal | MM |
| 1 | - | - | - | - | - | 0.016 | 0.40 |
| 2 | 1 | - | - | - | - | 0.031 | 0.79 |
| 3 | - | - | - | - | - | 0.047 | 1.19 |
| 4 | 2 | 1 | - | - | - | 0.063 | 1.60 |
| 5 | - | - | - | - | - | 0.047 | 1.19 |
| 6 | 3 | - | - | - | - | 0.063 | 1.60 |
| 7 | - | - | - | - | - | 0.109 | 1.98 |
| 8 | 4 | 2 | 1 | - | - | 0.125 | 2.39 |
| 9 | - | - | - | - | - | 0.140 | 2.77 |
| 10 | 5 | - | - | - | - | 0.156 | 3.18 |
| 11 | - | - | - | - | - | 0.172 | 4.37 |
| 12 | 6 | 3 | - | - | - | 0.187 | 4.76 |
| 13 | - | - | - | - | - | 0.203 | 5.16 |
| 14 | 7 | - | - | - | - | 0.219 | 5.56 |
| 15 | - | - | - | - | - | 0.234 | 5.95 |
| 16 | 8 | 4 | 2 | 1 | - | 0.250 | 6.35 |
| 17 | - | - | - | - | - | 0.266 | 6.75 |
| 18 | 9 | - | - | - | - | 0.281 | 7.14 |
| 19 | - | - | - | - | - | 0.297 | 7.54 |
| 20 | 10 | 5 | - | - | - | 0.313 | 7.94 |
| 21 | - | - | - | - | - | 0.328 | 8.33 |
| 22 | 11 | - | - | - | - | 0.344 | 8.73 |
| 23 | - | - | - | - | - | 0.359 | 9.13 |
| 24 | 12 | 6 | 3 | - | - | 0.375 | 9.53 |
| 25 | - | - | - | - | - | 0.391 | 9.93 |
| 26 | 13 | - | - | - | - | 0.406 | 10.32 |
| 27 | - | - | - | - | - | 0.422 | 10.72 |
| 28 | 14 | 7 | - | - | - | 0.437 | 11.11 |
| 29 | - | - | - | - | - | 0.453 | 11.51 |
| 30 | 15 | - | - | - | - | 0.469 | 11.91 |
| 31 | - | - | - | - | - | 0.484 | 12.30 |
| 32 | 16 | 8 | 4 | 2 | 1 | 0.500 | 12.70 |
| 33 | - | - | - | - | - | 0.516 | 13.10 |
| 34 | 17 | - | - | - | - | 0.531 | 13.49 |
| 35 | - | - | - | - | - | 0.547 | 13.89 |
| 36 | 18 | 9 | - | - | - | 0.563 | 14.29 |
| 37 | - | - | - | - | - | 0.578 | 14.68 |
| 38 | 19 | - | - | - | - | 0.594 | 15.08 |
| 39 | - | - | - | - | - | 0.609 | 15.48 |
| 40 | 20 | 10 | 5 | - | - | 0.625 | 15.88 |
| 41 | - | - | - | - | - | 0.641 | 16.27 |
| 42 | 21 | - | - | - | - | 0.656 | 16.67 |
| 43 | - | - | - | - | - | 0.672 | 17.07 |
| 44 | 22 | 11 | - | - | - | 0.687 | 17.46 |
| 45 | - | - | - | - | - | 0.703 | 17.86 |
| 46 | 23 | - | - | - | - | 0.719 | 18.26 |
| 47 | - | - | - | - | - | 0.734 | 18.65 |
| 48 | 24 | 12 | 6 | 3 | - | 0.750 | 19.05 |
| 49 | - | - | - | - | - | 0.766 | 19.45 |
| 50 | 25 | - | - | - | - | 0.781 | 19.84 |
| 51 | - | - | - | - | - | 0.797 | 20.24 |
| 52 | 26 | 13 | - | - | - | 0.813 | 20.64 |
| 53 | - | - | - | - | - | 0.828 | 21.03 |
| 54 | 27 | - | - | - | - | 0.844 | 21.43 |
| 55 | - | - | - | - | - | 0.859 | 21.83 |
| 56 | 28 | 14 | 7 | - | - | 0.875 | 22.23 |
| 57 | - | - | - | - | - | 0.891 | 22.62 |
| 58 | 29 | - | - | - | - | 0.906 | 23.02 |
| 59 | - | - | - | - | - | 0.922 | 23.42 |
| 60 | 30 | 15 | - | - | - | 0.937 | 23.81 |
| 61 | - | - | - | - | - | 0.953 | 24.21 |
| 62 | 31 | - | - | - | - | 0.969 | 24.61 |
| 63 | - | - | - | - | - | 0.984 | 25.00 |
| 64 | 32 | 16 | 8 | 4 | 2 | 1.000 | 25.40 |