Fraction (in)  | Decimal (in)  | Metric (mm)  | 
|---|---|---|
1/64  | 0.015625  | 0.39688  | 
1/32  | 0.03125  | 0.79375  | 
3/64  | 0.046875  | 1.19062  | 
1/16  | 0.0625  | 1.5875  | 
5/64  | 0.078125  | 1.98437  | 
3/32  | 0.09375  | 2.38125  | 
7/64  | 0.109375  | 2.77812  | 
1/8  | 0.125  | 3.175  | 
9/64  | 0.140625  | 3.57187  | 
5/32  | 0.15625  | 3.96875  | 
11/64  | 0.171875  | 4.36562  | 
3/16  | 0.1875  | 4.7625  | 
13/64  | 0.203125  | 5.15937  | 
7/32  | 0.21875  | 5.55625  | 
15/64  | 0.234375  | 5.95312  | 
1/4  | 0.25  | 6.35  | 
17/64  | 0.265625  | 6.74687  | 
9/32  | 0.28125  | 7.14375  | 
19/64  | 0.296875  | 7.54062  | 
5/16  | 0.3125  | 7.9375  | 
21/64  | 0.328125  | 8.33437  | 
11/32  | 0.34375  | 8.73125  | 
23/64  | 0.359375  | 9.12812  | 
3/8  | 0.375  | 9.525  | 
25/64  | 0.390625  | 9.92187  | 
13/32  | 0.40625  | 10.31875  | 
27/64  | 0.421875  | 10.71562  | 
7/16  | 0.4375  | 11.1125  | 
29/64  | 0.453125  | 11.50937  | 
15/32  | 0.46875  | 11.90625  | 
31/64  | 0.484375  | 12.30312  | 
1/2  | 0.5  | 12.7  | 
33/64  | 0.515625  | 13.09687  | 
17/32  | 0.53125  | 13.49375  | 
35/64  | 0.546875  | 13.89062  | 
9/16  | 0.5625  | 14.2875  | 
37/64  | 0.578125  | 14.68437  | 
19/32  | 0.59375  | 15.08125  | 
39/64  | 0.609375  | 15.47812  | 
5/8  | 0.625  | 15.875  | 
41/64  | 0.640625  | 16.27187  | 
21/32  | 0.65625  | 16.66875  | 
43/64  | 0.671875  | 17.06562  | 
11/16  | 0.6875  | 17.4625  | 
45/64  | 0.703125  | 17.85937  | 
23/32  | 0.71875  | 18.25625  | 
47/64  | 0.734375  | 18.65312  | 
3/4  | 0.75  | 19.05  | 
49/64  | 0.765625  | 19.44687  | 
25/32  | 0.78125  | 19.84375  | 
51/64  | 0.796875  | 20.24062  | 
13/16  | 0.8125  | 20.6375  | 
53/64  | 0.828125  | 21.03437  | 
27/32  | 0.84375  | 21.43125  | 
55/64  | 0.859375  | 21.82812  | 
7/8  | 0.875  | 22.225  | 
57/64  | 0.890625  | 22.62187  | 
29/32  | 0.90625  | 23.01875  | 
59/64  | 0.921875  | 23.41562  | 
15/16  | 0.9375  | 23.8125  | 
61/64  | 0.953125  | 24.20937  | 
31/32  | 0.96875  | 24.60625  | 
63/64  | 0.984375  | 25.00312  | 
1  | 1.0  | 25.4  |