Convert fractions of an inch to decimal inches and decimal inches to metric.

Convert Inches to Millimeters

Enter decimal inches, or millimeters, or fractions of an inch to convert and press tab.
Inches Metric
Fraction Decimal Millimeters
1⁄64 0.015625 .39688
1⁄32 0.03125 .79375
3⁄64 0.046875 1.19063
1⁄16 0.0625 1.5875
5⁄64 0.078125 1.98438
3⁄32 0.09375 2.38125
7⁄64 0.109375 2.7781
1⁄8 0.125 3.1750
9⁄64 0.140625 3.5719
5⁄32 0.15625 3.9688
11⁄64 0.171875 4.3656
3⁄16 0.1875 4.7625
13⁄64 0.203125 5.1594
7⁄32 0.21875 5.5563
15⁄64 0.234375 5.9531
1⁄4 0.25 6.3500
17⁄64 0.265625 6.7469
9⁄32 0.28125 7.1438
19⁄64 0.296875 7.5406
5⁄16 0.3125 7.9375
21⁄64 0.328125 8.3344
11⁄32 0.34375 8.7313
23⁄64 0.359375 9.1281
3⁄8 0.375 9.5250
25⁄64 0.390625 9.9219
13⁄32 0.40625 10.3188
27⁄64 0.421875 10.7156
7⁄16 0.4375 11.1125
29⁄64 0.453125 11.5094
15⁄32 0.46875 11.9063
31⁄64 0.484375 12.3031
1⁄2 0.5 12.7000
33⁄64 0.515625 13.0969
17⁄32 0.53125 13.4938
35⁄64 0.546875 13.8906
9⁄16 0.5625 14.2875
37⁄64 0.578125 14.6844
19⁄32 0.59375 15.0813
39⁄64 0.609375 15.4781
5⁄8 0.625 15.8750
41⁄64 0.640625 16.2719
21⁄32 0.65625 16.6688
43⁄64 0.671875 17.0656
11⁄16 0.6875 17.4625
45⁄64 0.703125 17.8594
23⁄32 0.71875 18.2563
47⁄64 0.734375 18.6531
3⁄4 0.75 19.0500
49⁄64 0.765625 19.4469
25⁄32 0.78125 19.8438
51⁄64 0.796875 20.2406
13⁄16 0.8125 20.6375
53⁄64 0.828125 21.0344
27⁄32 0.84375 21.4313
55⁄64 0.859375 21.8281
7⁄8 0.875 22.2250
57⁄64 0.890625 22.6219
29⁄32 0.90625 23.0188
59⁄64 0.921875 23.4156
15⁄16 0.9375 23.8125
61⁄64 0.953125 24.2094
31⁄32 0.96875 24.6063
63⁄64 0.984375 25.0031
1 1 25.4000


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