Fractional inches to decimals

inch millimeter
1/8 0.1250 3.1750
1/4 0.2500 6.3500
3/8 0.3750 9.5250
1/2 0.5000 12.7000
5/8 0.6250 15.8750
3/4 0.7500 19.0500
7/8 0.8750 22.2250
Sixteenths
inch millimeter
1/16 0.0625 1.5875
3/16 0.1875 4.7625
5/16 0.3125 7.9375
7/16 0.4375 11.1125
9/16 0.5625 14.2875
11/16 0.6875 17.4625
13/16 0.8125 20.6375
15/16 0.9375 23.8125
Thirty-seconds
inch millimeter
1/32 0.0313 0.7938
3/32 0.0938 2.3813
5/32 0.1563 3.9688
7/32 0.2188 5.5563
9/32 0.2813 7.1438
11/32 0.3438 8.7313
13/32 0.4063 10.3188
15/32 0.4688 11.9063
17/32 0.5313 13.4938
19/32 0.5938 15.0813
21/32 0.6563 16.6688
23/32 0.7188 18.2563
25/32 0.7813 19.8438
27/32 0.8438 21.4313
29/32 0.9063 23.0188
31/32 0.9688 24.6063
Sixty-fourths
inch millimeter
1/64 0.0156 0.3969
2/64 0.0313 0.7938
3/64 0.0469 1.1906
4/64 0.0625 1.5875
5/64 0.0781 1.9844
6/64 0.0938 2.3813
7/64 0.1094 2.7781
8/64 0.1250 3.1750
9/64 0.1406 3.5719
10/64 0.1563 3.9688
11/64 0.1719 4.3656
12/64 0.1875 4.7625
13/64 0.2031 5.1594
14/64 0.2188 5.5563
15/64 0.2344 5.9531
16/64 0.2500 6.3500
17/64 0.2656 6.7469
18/64 0.2813 7.1438
19/64 0.2969 7.5406
20/64 0.3125 7.9375
21/64 0.3281 8.3344
22/64 0.3438 8.7313
23/64 0.3594 9.1281
24/64 0.3750 9.5250
25/64 0.3906 9.9219
26/64 0.4063 10.3188
27/64 0.4219 10.7156
28/64 0.4375 11.1125
29/64 0.4531 11.5094
30/64 0.4688 11.9063
31/64 0.4844 12.3031
32/64 0.5000 12.7000
33/64 0.5156 13.0969
34/64 0.5313 13.4938
35/64 0.5469 13.8906
36/64 0.5625 14.2875
37/64 0.5781 14.6844
38/64 0.5938 15.0813
39/64 0.6094 15.4781
40/64 0.6250 15.8750
41/64 0.6406 16.2719
42/64 0.6563 16.6688
43/64 0.6719 17.0656
44/64 0.6875 17.4625
45/64 0.7031 17.8594
46/64 0.7188 18.2563
47/64 0.7344 18.6531
48/64 0.7500 19.0500
49/64 0.7656 19.4469
50/64 0.7813 19.8438
51/64 0.7969 20.2406
52/64 0.8125 20.6375
52/64 0.8125 20.6375
54/64 0.8438 21.4313
55/64 0.8594 21.8281
56/64 0.8750 22.2250
57/64 0.8906 22.6219
58/64 0.9063 23.0188
58/64 0.9063 23.0188
60/64 0.9375 23.8125
61/64 0.9531 24.2094
62/64 0.9688 24.6063
63/64 0.9844 25.0031
X

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Last revised: 16 August 2019.