Fraction Conversion Table
Alfa Chemistry is committed to providing you with the resources to complete your projects quickly and accurately. The fractions in the chart below are often used to describe the size of bolts, screws, threaded rods, nails and metal thickness. With our chart you can easily convert these fractions into decimals and millimeters.
| Fraction Conversion Table | |||||
|---|---|---|---|---|---|
| Fraction | Decimal | Millimeter | Fraction | Decimal | Millimeter |
| 1/64 | 0.015625 | 0.396 | 33/64 | 0.515625 | 13.096 |
| 1/32 | 0.03125 | 0.793 | 17/32 | 0.53125 | 13.493 |
| 3/64 | 0.046875 | 1.19 | 35/64 | 0.546875 | 13.89 |
| 1/16 | 0.0625 | 1.587 | 9/16 | 0.5625 | 14.287 |
| 5/64 | 0.078125 | 1.984 | 37/64 | 0.578125 | 14.684 |
| 3/32 | 0.09375 | 2.381 | 19/32 | 0.59375 | 15.081 |
| 7/64 | 0.109375 | 2.778 | 39/64 | 0.609375 | 15.478 |
| 1/8 | 0.125 | 3.175 | 5/8 | 0.625 | 15.875 |
| 9/64 | 0.140625 | 3.571 | 41/64 | 0.640625 | 16.271 |
| 5/32 | 0.15625 | 3.968 | 21/32 | 0.65625 | 16.668 |
| 11/64 | 0.171875 | 4.365 | 43/64 | 0.671875 | 17.065 |
| 3/16 | 0.1875 | 4.762 | 11/16 | 0.6875 | 17.462 |
| 13/64 | 0.203125 | 5.159 | 45/64 | 0.703125 | 17.859 |
| 7/32 | 0.21875 | 5.556 | 23/32 | 0.71875 | 18.256 |
| 15/64 | 0.234375 | 5.953 | 47/64 | 0.734375 | 18.653 |
| 1/4 | 0.25 | 6.35 | 3/4 | 0.75 | 19.05 |
| 17/64 | 0.265625 | 6.746 | 49/64 | 0.765625 | 19.446 |
| 9/32 | 0.28125 | 7.143 | 25/32 | 0.78125 | 19.843 |
| 19/64 | 0.296875 | 7.54 | 51/64 | 0.796875 | 20.24 |
| 5/16 | 0.3125 | 7.937 | 13/16 | 0.8125 | 20.637 |
| 21/64 | 0.328125 | 8.334 | 53/64 | 0.828125 | 21.034 |
| 11/32 | 0.34375 | 8.731 | 27/32 | 0.84375 | 21.431 |
| 23/64 | 0.359375 | 9.128 | 55/64 | 0.859375 | 21.828 |
| 3/8 | 0.375 | 9.525 | 7/8 | 0.875 | 22.225 |
| 25/64 | 0.390625 | 9.921 | 57/64 | 0.890625 | 22.621 |
| 13/32 | 0.40625 | 10.318 | 29/32 | 0.90625 | 23.018 |
| 27/64 | 0.421875 | 10.715 | 59/64 | 0.921875 | 23.415 |
| 7/16 | 0.4375 | 11.112 | 15/16 | 0.9375 | 23.812 |
| 29/64 | 0.453125 | 11.509 | 61/64 | 0.953125 | 24.209 |
| 15/32 | 0.46875 | 11.906 | 31/32 | 0.96875 | 24.606 |
| 31/64 | 0.484375 | 12.303 | 63/64 | 0.984375 | 25.003 |
| 1/2 | 0.5 | 12.7 | 1 | 1 | 25.4 |
Alfa Chemistry provides a fraction conversion table for your use. Please feel free to contact us if you need assistance in selecting the right size or choosing the right product for your needs. Whether you are a researcher, a scientist, or a student, we are your most trusted partner.