Convert Inches

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 to calculate.

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

The information presented here is intended for quick reference only.

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