Inches: Fractional to Decimal Equivalents Conversion Chart

The decimal equivalents of eights, sixteenths, thirty-seconds and sixty-fourths of an inch. Convert from fractional inches to equivalent decimal inches.

Fractional InchesDecimal Inches
Eights
1/80.125
1/40.250
3/80.375
1/20.500
5/80.625
3/40.750
7/80.875
Sixteenths
1/160.0625
3/160.1875
5/160.3125
7/160.4375
9/160.5625
11/160.6875
13/160.8125
15/160.9375
Thirty-seconds
1/320.03125
3/320.09375
5/320.15625
7/320.21875
9/320.28125
11/320.34375
13/320.40625
15/320.46875
17/320.53125
19/320.59375
21/320.65625
23/320.71875
25/320.78125
27/320.84375
29/320.90625
31/320.96875
Sixty-fourths
1/640.015625
3/640.046875
5/640.078125
7/640.109375
9/640.140625
11/640.171875
13/640.203125
15/640.234375
17/640.265625
19/640.296875
21/640.328125
23/640.359375
25/640.390625
27/640.421875
29/640.453125
31/640.484375
33/640.515625
35/640.546875
37/640.578125
39/640.609375
41/640.640625
43/640.671875
45/640.703125
47/640.734375
49/640.765625
51/640.796875
53/640.828125
55/640.859375
57/640.890625
59/640.921875
61/640.953125
63/640.984375