Fraction to Decimal to Millimeter Conversion Chart
| Fraction | Decimal | Millimeters | Fraction | Decimal | Millimeters | |
| 1/64 | .015625 | .396875 | 33/64 | .515625 | 13.096875 | |
| 1/32 | .031250 | .793750 | 17/32 | .531250 | 13.493750 | |
| 3/64 | .046875 | 1.190625 | 35/64 | .546875 | 13.890625 | |
| 1/16 | .062500 | 1.587500 | 9/16 | .562500 | 14.287500 | |
| 5/64 | .078125 | 1.984375 | 37/64 | .578125 | 14.684375 | |
| 3/32 | .093750 | 2.381250 | 19/32 | .593750 | 15.081250 | |
| 7/64 | .109375 | 2.778125 | 39/64 | .609375 | 15.478125 | |
| 1/8 | .125000 | 3.175000 | 5/8 | .625000 | 15.875000 | |
| 9/64 | .140625 | 3.571875 | 41/64 | .640625 | 16.271875 | |
| 5/32 | .156250 | 3.968750 | 21/32 | .656250 | 16.668750 | |
| 11/64 | .171875 | 4.365625 | 43/64 | .671875 | 17.065625 | |
| 3/16 | .187500 | 4.762500 | 11/16 | .687500 | 17.462500 | |
| 13/64 | .203125 | 5.159375 | 45/64 | .703125 | 17.859375 | |
| 7/32 | .218750 | 5.556250 | 23/32 | .718750 | 18.256250 | |
| 15/64 | .234375 | 5.953125 | 47/64 | .734375 | 18.653125 | |
| 1/4 | .250000 | 6.350000 | 3/4 | .750000 | 19.050000 | |
| 17/64 | .265625 | 6.746875 | 49/64 | .765625 | 19.446875 | |
| 9/32 | .281250 | 7.143750 | 25/32 | .781250 | 19.843750 | |
| 19/64 | .296875 | 7.540625 | 51/64 | .796875 | 20.240625 | |
| 5/16 | .312500 | 7.937500 | 13/16 | .812500 | 20.637500 | |
| 21/64 | .328125 | 8.334375 | 53/64 | .828125 | 21.034375 | |
| 11/32 | .343750 | 8.731250 | 27/32 | .843750 | 21.431250 | |
| 23/64 | .359375 | 9.128125 | 55/64 | .859375 | 21.828215 | |
| 3/8 | .375000 | 9.525000 | 7/8 | .875000 | 22.225000 | |
| 25/64 | .390625 | 9.921875 | 57/64 | .890625 | 22.621875 | |
| 13/32 | .406250 | 10.318750 | 29/32 | .906250 | 23.018750 | |
| 27/64 | .421875 | 10.715625 | 59/64 | .921875 | 23.415625 | |
| 7/16 | .437500 | 11.112500 | 15/16 | .937500 | 23.812500 | |
| 29/64 | .453125 | 11.509375 | 61/64 | .953125 | 24.209375 | |
| 15/32 | .468750 | 11.906250 | 31/32 | .968750 | 24.606250 | |
| 31/64 | .484375 | 12.303125 | 63/64 | .984375 | 25.003125 | |
| 1/2 | .500000 | 12.700000 | 1 | 1.00000 | 25.400000 | |