Power Torque continues to be a leading integrator in
the motion control and electrical / mechanical power
transmission fields. Let our combined experience of
over 225 years design a solution for you.

 
 
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Decimal Equivalents
Fractional • Metric • Wire • Letter Sizes


English

Metric

Decimal

English

Metric

Decimal

English

Metric

Decimal

English

Metric

Decimal

.
.
.
.
.
.
.
.
.
.
.
.

..

.1

.0039

45

..

.0820

5

..

.2055

7/16

..

.4375

.

.2

.0079

44

..

.0860

4

..

.2090

29/64

..

.4531

..

.3

.0118

43

..

.0890

3

..

.2130

15/32

..

.4687

80

..

.0135

42

..

.0935

7/32

.

.2187

..

12.

.4724

79

.

.0145

3/32

..

.0937

2

..

.2210

31/64

..

.4844

1/64

..

.0156

41

..

.0960

1

..

.2280

1/2

..

.5000

..

.4

.0157

40

..

.0980

A

..

.2340

..

13.

.5118

78

.

.0160

39

..

.0995

15/64

..

.2344

33/64

..

.5156

77

.

.0180

38

..

.1015

..

6.

.2362

17/32

..

.5312

.

.5

.0197

37

..

.1040

B

..

.2380

35/64

.

.5469

76

.

.0200

36

..

.1065

C

..

.2420

..

14.

.5512

75

.

.0210

7/64

..

.1094

D

..

.2460

9/16

..

.5625

74

.

.0225

35

..

.1100

1/4

..

.2500

37/64

..

.5781

.

.6

.0236

34

..

.1110

F

..

.2570

..

15.

.5906

73

..

.0240

33

..

.1130

G

..

.2610

19/32

..

.5937

72

..

.0250

32

..

.1160

17/64

..

.2656

39/64

..

.6094

71

..

.0260

..

3.

.1181

H

..

.2660

5/8

..

.6250

..

.7

.0276

31

..

.1200

I

..

.2720

..

16.

.6299

70

..

.0280

1/8

..

.1250

..

7.

.2756

41/64

..

.6406

69

..

.0292

30

..

.1285

J

..

.2770

21/32

..

.6562

68

..

.0310

29

..

.1360

K

..

.2810

..

17.

.6693

1/32

..

.0312

28

..

.1405

9/32

..

.2812

43/64

..

.6719

..

.8

.0315

9/64

..

.1406

L

..

.2900

11/16

..

.6875

67

..

.0320

27

..

.1440

M

..

.2950

45/64

..

.7031

66

..

.0330

26

.

.1470

19/64

..

.2969

..

18.

.7087

65

..

.0350

25

..

.1495

N

..

.3020

23/32

..

.7187

.

.9

.0354

24

..

.1520

5/16

..

.3125

47/64

..

.7344

64

..

.0360

23

..

.1540

..

8.

.3150

..

19.

.7480

63

..

.0370

5/32

.

.1562

O

..

.3160

3/4

..

.7500

62

..

.0380

22

..

.1570