| Inches to Decimal to MM Conversions | |||||||
FRACTION | DECIMAL | MM | FRACTION | DECIMAL | MM | ||
| 1/64 | .015625 | .3969 | 33/64 | .515625 | 13.0969 | ||
| 1/32 | __ | .03125 | .7938 | 17/32 | __ | .53125 | 13.4938 |
| 3/64 | .046875 | 1.1906 | 35/64 | .546875 | 13.8906 | ||
| 1/16____ | .0625 | 1.5875 | 9/16____ | .5625 | 14.2875 | ||
| 5/64 | .078125 | 1.9844 | 37/64 | .578125 | 14.6844 | ||
| 3/32 | __ | .09375 | 2.3812 | 19/32 | __ | .59375 | 15.0812 |
| 7/64 | .109375 | 2.7781 | 39/64 | .609375 | 15.4781 | ||
| 1/8 | .125 | 3.175 | 5/8 | .625 | 15.875 | ||
| 9/64 | .140625 | 3.5719 | 41/64 | .640625 | 16.2719 | ||
| 5/32 | __ | .15625 | 3.9688 | 21/32 | __ | .65625 | 16.6688 |
| 11/64 | .171875 | 4.3656 | 43/64 | .671875 | 17.0656 | ||
| 3/16____ | .1875 | 4.7625 | 11/16___ | .6875 | 17.4625 | ||
| 13/64 | .203125 | 5.1594 | 45/64 | .703125 | 17.8594 | ||
| 7/32 | __ | .21875 | 5.5562 | 23/32 | __ | .71875 | 18.2562 |
| 15/64 | .234375 | 5.9531 | 47/64 | .734375 | 18.6531 | ||
| 1/4 | .25 | 6.35 | 3/4 | .75 | 19.05 | ||
| 17/64 | .265625 | 6.7469 | 49/64 | .765625 | 19.4469 | ||
| 9/32 | __ | .28125 | 7.1438 | 25/32 | __ | .78125 | 19.8438 |
| 19/64 | .296875 | 7.5406 | 51/64 | .796875 | 20.2406 | ||
| 5/16____ | .3125 | 7.9375 | 13/16___ | .8125 | 20.6375 | ||
| 21/64 | .328125 | 8.3344 | 53/64 | .828125 | 21.0344 | ||
| 11/32 | __ | .34375 | 8.7312 | 27/32 | __ | .84375 | 21.4312 |
| 23/64 | .359375 | 9.1281 | 55/64 | .859375 | 21.8281 | ||
| 3/8 | .375 | 9.525 | 7/8 | .875 | 22.225 | ||
| 25/64 | .390625 | 9.9219 | 57/64 | .890625 | 22.6219 | ||
| 13/32 | __ | .40625 | 10.3188 | 29/32 | __ | .90625 | 23.0188 |
| 27/64 | .421875 | 10.7156 | 59/64 | .921875 | 23.4156 | ||
| 7/16____ | .4375 | 11.1125 | 15/16___ | .9375 | 23.8125 | ||
| 29/64 | .453125 | 11.5094 | 61/64 | .953125 | 24.2094 | ||
| 15/32 | __ | .46875 | 11.9062 | 31/32 | __ | .96875 | 24.6062 |
| 31/64 | .484375 | 12.3031 | 63/64 | .984375 | 25.0031 | ||
| 1/2 | .5 | 12.7 | 1 | 1.0 | 25.4 | ||
| Decimal Equivalents of Standard Gauges | ||
| NUMBER OF GAUGE | ALUMINUM SHEET STEEL | |
| (thickness in decimal parts of an inch) | ||
| 0 | .3249 | .3125 |
| 1 | .2893 | .2812 |
| 2 | .2576 | .2656 |
| 3 | .2294 | .2391 |
| 4 | .2043 | .2242 |
| 5 | .1819 | .2092 |
| 6 | .1620 | .1943 |
| 7 | .1443 | .1793 |
| 8 | .1285 | .1644 |
| 9 | .1144 | .1495 |
| 10 | .1019 | .1345 |
| 11 | .0907 | .1196 |
| 12 | .0808 | .1046 |
| 13 | .0720 | .0897 |
| 14 | .0641 | .0747 |
| 15 | .0571 | .0673 |
| 16 | .0508 | .0598 |
| 17 | .0453 | .0538 |
| 18 | .0403 | .0478 |
| 19 | .0359 | .0418 |
| 20 | .0320 | .0359 |
| 21 | .0285 | .0329 |
| 22 | .0253 | .0299 |
| 23 | .0226 | .0269 |
| 24 | .0201 | .0239 |
| 25 | .0179 | .0209 |
| 26 | .0159 | .0179 |
| 27 | .0142 | .0164 |
| 28 | .0126 | .0149 |
| 29 | .0113 | .0135 |
| 30 | .0100 | .0120 |
| 31 | .0089 | .0105 |
| 32 | .0080 | .0097 |
| 33 | .0071 | .0090 |
| 34 | .0063 | .0082 |
| 35 | .0056 | .0075 |
| 36 | .0050 | .0067 |
| 37 | .0045 | .0064 |
| 38 | .0040 | .0060 |