inch

Metric

Fraction

Decimal

mm

1/32

0.03125

0.794

-

-

0.800

-

-

1.000

3/64

0.046875

1.191

1/16

0.0625

1.588

5/64

0.078125

1.984

-

-

2.000

3/32

0.09375

2.381

7/64

0.109375

2.778

-

-

3.000

1/8

0.125

3.175

-

-

3.500

9/64

0.140625

3.572

5/32

0.15625

3.969

-

-

4.000

11/64

0.171875

4.366

3/16

0.1875

4.762

13/64

0.203125

5.169

7/32

0.21875

5.556

15/64

0.234375

5.953

1/4

0.25

6.350

17/64

0.265625

6.747

9/32

0.28125

7.144

19/64

0.296875

7.541

5/16

0.3125

7.938

23/64

0.328125

8.334

3/8

0.375

9.525

25/64

0.390625

9.922

13/32

0.40625

10.319

27/64

0.421875

10.716

7/16

0.4375

11.112

29/64

0.453125

11.509

15/32

0.46875

11.906

31/64

0.484375

12.303

1/2

0.5

12.700