Fractional Inches to MM
Every fraction from 1/64" to 1", with decimal-inch and millimeter equivalents.
| Fraction | Decimal in. | Millimeters |
|---|---|---|
| 1/64" | 0.015625" | 0.3969 mm |
| 1/32" | 0.03125" | 0.7938 mm |
| 3/64" | 0.046875" | 1.1906 mm |
| 1/16" | 0.0625" | 1.5875 mm |
| 5/64" | 0.078125" | 1.9844 mm |
| 3/32" | 0.09375" | 2.3812 mm |
| 7/64" | 0.109375" | 2.7781 mm |
| 1/8" | 0.125" | 3.175 mm |
| 9/64" | 0.140625" | 3.5719 mm |
| 5/32" | 0.15625" | 3.9688 mm |
| 11/64" | 0.171875" | 4.3656 mm |
| 3/16" | 0.1875" | 4.7625 mm |
| 13/64" | 0.203125" | 5.1594 mm |
| 7/32" | 0.21875" | 5.5562 mm |
| 15/64" | 0.234375" | 5.9531 mm |
| 1/4" | 0.25" | 6.35 mm |
| 17/64" | 0.265625" | 6.7469 mm |
| 9/32" | 0.28125" | 7.1438 mm |
| 19/64" | 0.296875" | 7.5406 mm |
| 5/16" | 0.3125" | 7.9375 mm |
| 21/64" | 0.328125" | 8.3344 mm |
| 11/32" | 0.34375" | 8.7313 mm |
| 23/64" | 0.359375" | 9.1281 mm |
| 3/8" | 0.375" | 9.525 mm |
| 25/64" | 0.390625" | 9.9219 mm |
| 13/32" | 0.40625" | 10.3188 mm |
| 27/64" | 0.421875" | 10.7156 mm |
| 7/16" | 0.4375" | 11.1125 mm |
| 29/64" | 0.453125" | 11.5094 mm |
| 15/32" | 0.46875" | 11.9063 mm |
| 31/64" | 0.484375" | 12.3031 mm |
| 1/2" | 0.5" | 12.7 mm |
| 33/64" | 0.515625" | 13.0969 mm |
| 17/32" | 0.53125" | 13.4938 mm |
| 35/64" | 0.546875" | 13.8906 mm |
| 9/16" | 0.5625" | 14.2875 mm |
| 37/64" | 0.578125" | 14.6844 mm |
| 19/32" | 0.59375" | 15.0813 mm |
| 39/64" | 0.609375" | 15.4781 mm |
| 5/8" | 0.625" | 15.875 mm |
| 41/64" | 0.640625" | 16.2719 mm |
| 21/32" | 0.65625" | 16.6688 mm |
| 43/64" | 0.671875" | 17.0656 mm |
| 11/16" | 0.6875" | 17.4625 mm |
| 45/64" | 0.703125" | 17.8594 mm |
| 23/32" | 0.71875" | 18.2562 mm |
| 47/64" | 0.734375" | 18.6531 mm |
| 3/4" | 0.75" | 19.05 mm |
| 49/64" | 0.765625" | 19.4469 mm |
| 25/32" | 0.78125" | 19.8438 mm |
| 51/64" | 0.796875" | 20.2406 mm |
| 13/16" | 0.8125" | 20.6375 mm |
| 53/64" | 0.828125" | 21.0344 mm |
| 27/32" | 0.84375" | 21.4313 mm |
| 55/64" | 0.859375" | 21.8281 mm |
| 7/8" | 0.875" | 22.225 mm |
| 57/64" | 0.890625" | 22.6219 mm |
| 29/32" | 0.90625" | 23.0187 mm |
| 59/64" | 0.921875" | 23.4156 mm |
| 15/16" | 0.9375" | 23.8125 mm |
| 61/64" | 0.953125" | 24.2094 mm |
| 31/32" | 0.96875" | 24.6063 mm |
| 63/64" | 0.984375" | 25.0031 mm |
| 1/1" | 1" | 25.4 mm |