Standard Fraction to Decimal and Metric Conversion Chart/Table
Can't remember what 9/64" is in decimals? Neither can we. Use this handy chart to convert from fractions to decimals and millimeters.
| Fraction (in) | Decimal (in) | Millimeters (mm) |
| 1/64 |
0.015625 |
0.396 |
| 1/32 |
0.03125 |
0.793 |
| 3/64 |
0.046875 |
1.19 |
| 1/16 |
0.0625 |
1.587 |
| 5/64 |
0.078125 |
1.984 |
| 3/32 |
0.09375 |
2.381 |
| 7/64 |
0.109375 |
2.778 |
| 1/8 |
0.125 |
3.175 |
| 9/64 |
0.140625 |
3.571 |
| 5/32 |
0.15625 |
3.968 |
| 11/64 |
0.171875 |
4.365 |
| 3/16 |
0.1875 |
4.762 |
| 13/64 |
0.203125 |
5.159 |
| 7/32 |
0.21875 |
5.556 |
| 15/64 |
0.234375 |
5.953 |
| 1/4 |
0.25 |
6.35 |
| 17/64 |
0.265625 |
6.746 |
| 9/32 |
0.28125 |
7.143 |
| 19/64 |
0.296875 |
7.54 |
| 5/16 |
0.3125 |
7.937 |
| 21/64 |
0.328125 |
8.334 |
| 11/32 |
0.34375 |
8.731 |
| 23/64 |
0.359375 |
9.128 |
| 3/8 |
0.375 |
9.525 |
| 25/64 |
0.390625 |
9.921 |
| 13/32 |
0.40625 |
10.318 |
| 27/64 |
0.421875 |
10.715 |
| 7/16 |
0.4375 |
11.112 |
| 29/64 |
0.453125 |
11.509 |
| 15/32 |
0.46875 |
11.906 |
| 31/64 |
0.484375 |
12.303 |
| 1/2 |
0.5 |
12.7 |
| 33/64 |
0.515625 |
13.096 |
| 17/32 |
0.53125 |
13.493 |
| 35/64 |
0.546875 |
13.89 |
| 9/16 |
0.5625 |
14.287 |
| 37/64 |
0.578125 |
14.684 |
| 19/32 |
19/32 |
15.081 |
| 39/64 |
0.609375 |
15.478 |
| 5/8 |
0.625 |
15.875 |
| 41/64 |
0.640625 |
16.271 |
| 21/32 |
0.65625 |
16.668 |
| 43/64 |
0.671875 |
17.065 |
| 11/16 |
0.6875 |
17.462 |
| 45/64 |
0.703125 |
17.859 |
| 23/32 |
0.71875 |
18.256 |
| 47/64 |
0.734375 |
18.653 |
| 3/4 |
0.75 |
19.05 |
| 49/64 |
0.765625 |
19.446 |
| 25/32 |
0.78125 |
19.843 |
| 51/64 |
0.796875 |
20.24 |
| 13/16 |
0.8125 |
20.637 |
| 53/64 |
0.828125 |
21.034 |
| 27/32 |
0.84375 |
21.431 |
| 55/64 |
0.859375 |
21.828 |
| 7/8 |
0.875 |
22.225 |
| 57/64 |
0.890625 |
22.621 |
| 29/32 |
0.90625 |
23.018 |
| 59/64 |
0.921875 |
23.415 |
| 15/16 |
0.9375 |
23.812 |
| 61/64 |
0.953125 |
24.209 |
| 31/32 |
0.96875 |
24.606 |
| 63/64 |
0.984375 |
25.003 |
| 1 |
1 |
25.4 |
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