Inch = Decimal

1/640
0.0156
1/32
0.0313
3/64
0.0469
1/16
0.0625
5/64
0.0781
3/32
0.0938
7/64
0.1094
1/8
0.1250
9/64
0.1406
5/32
0.1563
11/64
0.1719
3/16
0.1875
13/64
0.2031
7/32
0.2188
15/64
0.2344
1/4
0.2500
17/64
0.2656
9/32
0.2813
19/64
0.2969
5/16
0.3125
21/64
0.3281
11/32
0.3438
23/64
0.3594
3/8
0.3750
25/64
0.3906
13/32
0.4063
27/64
0.4219
7/16
0.4375
29/64
0.4531
5/32
0.1563
31/64
0.4844
1/2
0.5000
33/64
0.5156
17/32
0.5313
35/64
0.5469
9/16
0.5625
37/64
0.5781
19/32
0.5938
39/64
0.6094
5/8
0.6250
41/64
0.6406
21/32
0.6563
43/64
0.6719
11/16
0.6875
45/64
0.7031
23/32
0.7188
47/64
0.7344
3/4
0.7500
49/64
0.7656
25/32
0.7813
51/64
0.7969
13/16
0.8125
53/64
0.8281
27/32
0.8438
55/64
0.8594
7/8
0.8750
57/64
0.8906
29/32
0.9063
59/64
0.9219
15/16
0.9375
61/64
0.9531
31/32
0.9688
63/64
0.9844
1
1.0000