Metric Conversion Chart

fraction (")

decimal (")

millimeter (mm)

1/64

0.015

0.3969

1/32

0.0313

0.7938

3/64

0.0469

1.1906

1/16

0.0625

1.5875

5/64

0.0781

1.9844

3/32

0.0938

2.3813

7/64

0.1094

2.7781

1/8

0.125

3.175

9/64

0.1406

3.5719

5/32

0.1563

3.968

11/64

0.1719

4.3656

3/16

0.1875

4.7625

13/64

0.2031

5.1594

7/32

0.2188

5.5563

15/64

0.2344

5.9531

1/4

0.25

6.35

17/64

0.2656

6.7469

9/32

0.2813

7.1438

19/64

0.2969

7.5406

5/16

0.3125

7.9375

21/64

0.3281

8.3344

11/32

0.3438

8.7313

23/64

0.3594

9.1281

3/8

0.375

9.525

25/64

0.3906

9.9219

13/32

0.4063

10.3188

27/64

0.4219

10.7156

7/16

0.4375

11.1125

29/64

0.4531

11.5094

15/32

0.4688

11.9063

31/64

0.4844

12.3031

1/2

0.500

12.7000

fraction (")

decimal (")

millimeter (mm)

33/64

0.5156

13.0969

17/32

0.5313

13.4938

35/64

0.5469

13.8906

9/16

0.5625

14.2875

37/64

0.5781

14.6844

19/32

0.5938

15.0813

39/64

0.6094

15.4781

5/8

0.625

15.875

41/64

0.6406

16.2719

21/32

0.6563

16.6688

43/64

0.6719

17.0656

11/16

0.6875

17.4625

45/64

0.7031

17.8594

23/32

0.7188

18.2563

47/64

0.7344

18.6531

3/4

0.75

19.05

49/64

0.7656

19.4469

25/32

0.7813

19.8438

51/64

0.7969

20.2406

13/16

0.8125

20.6375

53/64

0.8281

21.0344

27/32

0.8438

21.4313

55/64

0.8594

21.8281

7/8

0.875

22.225

57/64

0.8906

22.6219

29/32

0.9063

23.0188

59/64

0.9219

23.4156

15/16

0.9375

23.8125

61/64

0.9531

24.2094

31/32

0.9688

24.6063

63/64

0.9844

25.0031

1

1.000

25.4000