Conversion Table from Inches to Millimeters

1/64

0.3969

1/32

0.7938

3/64

1.1906

1/16

1.5875

5/64

1.9844

3/32

2.3812

7/64

2.7781

1/8

3.1750

9/64

3.5719

5/32

3.9688

11/64

4.3656

3/16

4.7625

13/64

5.5194

7/32

5.5562

15/64

5.9531

1/4

6.3500

17/64

6.7469

9/32

7.1438

19/64

7.5406

5/16

7.9375

21/64

8.3344

11/32

8.7312

23/64

9.1281

3/8

9.5250

25/64

9.9219

13/32

10.3188

27/64

10.7156

7/16

11.1125

29/64

11.5094

15/32

11.9062

31/64

12.3031

1/2

12.7000

33/64

13.0969

17/32

13.4938

35/64

13.8906

9/16

14.2875

37/64

14.6844

19/32

15.0812

39/64

15.4781

5/8

15.8750

41/64

16.2719

21/32

16.6688

43/64

17.0656

11/16

17.4625

45/64

17.8594

23/32

18.2562

47/64

18.6531

3/4

19.0500

49/64

19.4469

25/32

19.8438

51/64

20.2406

13/16

20.6375

53/64

21.0344

27/32

21.4312

55/64

21.8281

7/8

22.2250

57/64

22.6219

29/32

23.0188

59/64

23.4156

15/16

23.8125

61/64

24.2094

31/32

24.6062

63/64

25.0031

1"

25.4001

1"1/8

28.5750

1"1/4

31.7500

1"3/8

34.9250

1"1/2

38.1000

1"5/8

41.2750

1"3/4

44.4500

2"

50.8000

2"1/4

57.1500

2"1/2

63.5000

2"3/4

69.8500

3"

76.2000

3"1/4

82.5500

3"1/2

88.9000

3"3/4

95.2500

4"

101.6000

4"1/2

114.3000

5"

127.0000

5"1/2

139.7000

6"

152.4000

8"

203.2000

10"

254.0000

20"

508.0000

30"

762.0000

40"

1016.0000

60"

1524.0000

80"

2032.0000

100"

2540.0000