General Electronic Devices
Manufacturer of Electronic Parts, Hybrid Assemblies and Devices
(760) 979-1441 • 1554 Creek Street, San Marcos. 92078

Fraction Conversion Chart

Fraction Conversion Table
Fraction Decimal Millimeters   Fraction Decimal Millimeters
1/64 0.015625 0.396   33/64 0.515625 13.096
1/32 0.03125 0.793   17/32 0.53125 13.493
3/64 0.046875 1.19   35/64 0.546875 13.89
1/16 0.0625 1.587   9/16 0.5625 14.287
5/64 0.078125 1.984   37/64 0.578125 14.684
3/32 0.09375 2.381   19/32 0.59375 15.081
7/64 0.109375 2.778   39/64 0.609375 15.478
1/8 0.125 3.175   5/8 0.625 15.875
9/64 0.140625 3.571   41/64 0.640625 16.271
5/32 0.15625 3.968   21/32 0.65625 16.668
11/64 0.171875 4.365   43/64 0.671875 17.065
3/16 0.1875 4.762   11/16 0.6875 17.462
13/64 0.203125 5.159   45/64 0.703125 17.859
7/32 0.21875 5.556   23/32 0.71875 18.256
15/64 0.234375 5.953   47/64 0.734375 18.653
1/4 0.25 6.35   3/4 0.75 19.05
17/64 0.265625 6.746   49/64 0.765625 19.446
9/32 0.28125 7.143   25/32 0.78125 19.843
19/64 0.296875 7.54   51/64 0.796875 20.24
5/16 0.3125 7.937   13/16 0.8125 20.637
21/64 0.328125 8.334   53/64 0.828125 21.034
11/32 0.34375 8.731   27/32 0.84375 21.431
23/64 0.359375 9.128   55/64 0.859375 21.828
3/8 0.375 9.525   7/8 0.875 22.225
25/64 0.390625 9.921   57/64 0.890625 22.621
13/32 0.40625 10.318   29/32 0.90625 23.018
27/64 0.421875 10.715   59/64 0.921875 23.415
7/16 0.4375 11.112   15/16 0.9375 23.812
29/64 0.453125 11.509   61/64 0.953125 24.209
15/32 0.46875 11.906   31/32 0.96875 24.606
31/64 0.484375 12.303   63/64 0.984375 25.003
1/2 0.5 12.7   1 1 25.4