Power Torque continues to be a leading integrator in
the motion control and electrical / mechanical power
transmission fields. Let our combined experience of
over 400 years design a solution for you.
  • •







 
   
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

P

..

.3230

49/64

..

.7656

61

..

.0390

..

4.

.1575

21/64

..

.3281

25/32

..

.7812

..

1.

.0394

21

..

.1590

Q

..

.3320

..

20.

.7874

60

..

.0400

20

..

.1610

R

..

.3390

51/64

..

.7969

59

..

.0410

19

..

.1660

11/32

..

.3437

13/16

..

.8125

58

..

.0420

18

.

.1695

S

..

.3480

..

21.

.8268

57

.

.0430

11/64

..

.1719

..

9.

.3543

53/64

..

.8281

56

..

.0465

17

..

.1730

T

..

.3580

27/32

..

.8437

3/64

..

.0469

16

..

.1770

23/64

..

.3594

55/64

..

.8594

55

..

.0520

15

..

.1800

U

..

.3680

..

22.

.8661

54

..

.0550

14

..

.1820

3/8

..

.3750

7/8

..

.8750

53

..

.0595

13

..

.1850

V

…

.3770

57/64

..

.8906

1/16

.

.0625

3/16

..

.1875

W

..

.3860

..

23.

.9055

52

..

.0635

12

..

.1890

25/64

..

.3906

29/32

..

.9062

51

..

.0670

11

..

.1910

..

10.

.3937

59/64

..

.9219

50

..

.0700

10

..

.1935

X

..

.3970

15/16

..

.9375

49

.

.0730

9

..

.1960

Y

.

.4040

..

24.

.9449

48

..

.0760

..

5.

.1968

13/32

..

.4062

61/64

..

.9531

5/64

..

.0781

8

..

.1990

Z

..

.4130

31/32

..

.9687

47

..

.0785

7

..

.2010

27/64

..

.4219

..

25.

.9842

..

2.

.0787

13/64

..

.2031

..

11.

.4331

63/64

..

.9844

46

..

.0810

6

..

.2040
.
.
.

1

25.4

1.000

 
 
 


Power Torque Incorporated   425 Old State Rd   Ellisville (St Louis), Mo 63021
800-878-2250 • 636-343-2250 • fax 636-343-4374 • email info@powertorque.com
The content of this site is registered and copyrighted to Power Torque Incorporated