Inches - Fractional vs. Decimal Equivalents
The decimal equivalents of eights, sixteenths, thirty-seconds and sixty-fourths of an inch.
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Convert from fractional inches to equivalent decimal inches (and mm):
| Inches | |
|---|---|
| fractional | decimal |
| Eights | |
| 1/8 | 0.125 |
| 1/4 | 0.250 |
| 3/8 | 0.375 |
| 1/2 | 0.500 |
| 5/8 | 0.625 |
| 3/4 | 0.750 |
| 7/8 | 0.875 |
| Sixteenths | |
| 1/16 | 0.0625 |
| 3/16 | 0.1875 |
| 5/16 | 0.3125 |
| 7/16 | 0.4375 |
| 9/16 | 0.5625 |
| 11/16 | 0.6875 |
| 13/16 | 0.8125 |
| 15/16 | 0.9375 |
| Thirty-seconds | |
| 1/32 | 0.03125 |
| 3/32 | 0.09375 |
| 5/32 | 0.15625 |
| 7/32 | 0.21875 |
| 9/32 | 0.28125 |
| 11/32 | 0.34375 |
| 13/32 | 0.40625 |
| 15/32 | 0.46875 |
| 17/32 | 0.53125 |
| 19/32 | 0.59375 |
| 21/32 | 0.65625 |
| 23/32 | 0.71875 |
| 25/32 | 0.78125 |
| 27/32 | 0.84375 |
| 29/32 | 0.90625 |
| 31/32 | 0.96875 |
| Sixty-fourths | |
| 1/64 | 0.015625 |
| 3/64 | 0.046875 |
| 5/64 | 0.078125 |
| 7/64 | 0.109375 |
| 9/64 | 0.140625 |
| 11/64 | 0.171875 |
| 13/64 | 0.203125 |
| 15/64 | 0.234375 |
| 17/64 | 0.265625 |
| 19/64 | 0.296875 |
| 21/64 | 0.328125 |
| 23/64 | 0.359375 |
| 25/64 | 0.390625 |
| 27/64 | 0.421875 |
| 29/64 | 0.453125 |
| 31/64 | 0.484375 |
| 33/64 | 0.515625 |
| 35/64 | 0.546875 |
| 37/64 | 0.578125 |
| 39/64 | 0.609375 |
| 41/64 | 0.640625 |
| 43/64 | 0.671875 |
| 45/64 | 0.703125 |
| 47/64 | 0.734375 |
| 49/64 | 0.765625 |
| 51/64 | 0.796875 |
| 53/64 | 0.828125 |
| 55/64 | 0.859375 |
| 57/64 | 0.890625 |
| 59/64 | 0.921875 |
| 61/64 | 0.953125 |
| 63/64 | 0.984375 |
Download Inches - Fraction to Decimal Converting Table
Fraction to Decimal - Example
Convert 1/8" to decimal:
- numerator is top number - numerator is 1
- denominator is bottom number - denominator is 8
- divide the top number with the bottom number - 1/8 = 0.125
Fractional Inches to Decimal Inches and mm Calculator
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