Inches and Millimeters

In.

In.

mm.

In.

In.

mm.

1/64

.016

.40

33/64

.516

13.10

1/32

.031

.79

17/32

.531

13.49

3/64

.047

1.19

35/64

.547

13.89

1/16

.063

1.59

9/16

.563

14.29

5/64

.078

1.98

37/64

.578

14.68

3/32

.094

2.38

19/32

.594

15.08

7/64

.109

2.78

39/64

.609

15.48

1/8

.125

3.18

5/8

.625

15.88

9/64

.141

3.57

41/64

.641

16.27

5/32

.156

3.97

21/32

.656

16.67

11/64

.172

4.36

43/64

.672

17.06

3/16

.188

4.76

11/16

.688

17.46

13/64

.203

5.16

45/64

.703

17.86

7/32

.219

5.55

23/32

.719

18.25

15/64

.234

5.95

47/64

.734

18.65

1/4

.250

6.35

3/4

.750

19.05

17/64

.266

6.75

49/64

.766

19.45

9/32

.281

7.14

25/32

.781

19.84

19/64

.297

7.54

51/64

.797

20.24

5/16

.313

7.94

13/16

.813

20.64

21/64

.328

8.33

53/64

.828

21.03

11/32

.344

8.73

27/32

.844

21.43

23/64

.359

9.13

55/64

.859

21.83

3/8

.376

9.53

7/8

.875

22.23

25/64

.391

9.92

57/64

.891

22.62

13/32

.406

10.32

29/32

.906

23.02

27/64

.422

10.71

59/64

.922

23.41

7/16

.438

11.11

15/16

.938

23.81

29/64

.453

11.51

61/64

.953

24.21

15/32

.469

11.90

31/32

.969

24.60

31/64

.484

12.30

63/64

.984

25.00

1/2

.500

12.70

64/64

1.000

25.40

Aluminum

165

Concrete (Reinforced)

150

Glass

162

Paper

60

Asphalt

81

Copper

560

Ice

56

Rubber

94

Brass- Cast

534

Crushed Rock

95

Iron-Cast

450

Sand - Dry

105

Brick-Common

125

Diesel

52

Lead-Cast

710

Sand - Wet

120

Bronze

554

Earth - Dry

(Loose)

76

Lumber - Fir

32

Steel

490

Cement - Loose

90

Earth - Dry (Packed)

95

Lumber - Oak

62

Water-Pure

63

Cement - Set.

183

Granite

96

Lumber -
RR Ties

50

Water- Salt

65

Coal

56

Gasoline

45

Oil, Motor

58

Zinc-Cast

440

POUNDS / SQUARE FT.

COEFFICIENTS OF FRICTION

Steel Plate

Aluminum Plate

Lumber

Steel on Steel

.10

1/8"

5

1/8"

1.75

3/4" Fir

2

Concrete on Concrete

.65

1/4"

10

1/4"

3.50

3/4" Oak

4

Wood on Wood

.50

1/2"

20

POUNDS PER GALLON

Nylon on Steel

.15 to .25

1"

40

Gasoline - 6.0 Diesel - 7.0 Water - 8.3

Load on Ice

.01

LENGTH

WEIGHT

MM X .0394
25.4 MM
1 CM
2.54 CM
.3048 M
1 M

= INCHES
= 1 IN.
= .3937 IN.
= 1 IN.
= 1 FT.
= 3.281 FT.

.4536 KG.
1 KG.

= 1 LB.
= 2.2046 Lbs.

VOLUME

.028 CU. M
1 CU. M
1 CU. FT.

= 1 CU. FT.
= 35.314 CU. FT.
= 7.5 GALLONS