Metal Bellows Correctedn 7/11/00 6:42 PM Page 84
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GENERAL CONVERSION FACTORS
]
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Multiply By To Obtain Multiply By To Obtain
Atmospheres 33.9 Feet of water Inches of water 0.1869 Cms. of mercury
Atmospheres 29.92 Inches of mercury Inches of water (at 4
o
C.) 2.54 x 10
-3
Kgs./sq. in.
Atmospheres 103.30 Kilograms/sq. m. Inches-pounds/deg. 0.66 Kilogram-meters/rad.
Atmospheres 14.7 Pounds/sq. in. Joules 9.486 x 10
-4
B.T.U.
Atmospheres 760 mm of mercury Joules 0.7376 Foot-pounds
Bars 9.869 x 10
-1
Atmospheres Joules 2.390 x 10
-4
Kg.-calories
Bars 1.0 x 10
6
Dynes/sq. cm. Kilograms 980665 Dynes
Bars 1.020 x 10
4
Kgs./sq. meter Kilograms 1.0 x 10
3
Grams
Bars 14.5 Pounds/sq. in. Kilograms 2.205 Pounds
British Thermal Units 777.5 Foot-pounds Kilogram-calories 3.968 B.T.U.
British Thermal Units 1054.6 Joules Kilogram-calories 3086 Foot-pounds
British Thermal Units 0.2520 Kg. -calories Kilogram-calories 4186 Joules
British Thermal Units 2.928 x 10
-4
K.W. -hours Kilogram-meters 7.233 Foot-pounds
B.T.U./hr. 0.2520 Kg. cal/Hr. Kilograms/cu. meters 3.613 x 10
-5
Pounds/cu. in.
B.T.U./hr./sq. ft. 2.712 Kg.-cal/hr./sq. m. Kilograms/
sq.cm. 9.80665 x 10
5
Dynes/sq. cm.
B.T.U./hr./sq. ft./deg F. 4.882 Kg.-cal/hr./sq.m./deg. C. Kilograms/
sq.cm. 14.226 Pounds/sq. in.
B.T.U./sq. ft. 2.712
Kg.cal./sq.m. Kilograms/sq. meter 9.678 x 10
-5
Atmospheres
B.T.U./sq. ft./in. 6.892
Kg.cal/sq.m./cm. Kilograms/sq. meters 98.07 Bars
Celsius (
o
C x 1.8) + 32 Fahrenheit Kilometers 1.0 x 10
5
Centimeters
Centimeters 0.0328 Feet Kilometers 3281 Feet
Centimeters 0.3937 Inches Kilometers 3.937 x 10
4
Inches
Centimeters 0.01 Meters Kilonewtons/sq. meter 0.145 Pounds/sq. in.
Centimeters 1. x 10
4
Microns Kilospascals 0.145 Pounds/sq. in.
Centimeters/sec 0.03281 Feet/sec Liters 10
3
Cubic centimeters
Centipoises 0.000672 Lbs./ft.-sec. Liters 0.0351 Cubic feet
Cubic centimeters 3.531 x 10
-9
Cubic feet Liters 0.2642 Gallons (U.S.)
Cubic centimeters 6.102 x 10
-2
Cubic inches Mega pascals (mPa) 145 Pounds/sq. in.
Cubic centimeters 1.0 x 10
-3
Liters Meters 3.281 Feet
Cubic feet 1728 Cubic inches Meters 39.37 Inches
Cubic feet 0.03704 Cubic yards Meters 100 Centimeters
Cubic feet 7.481 Gallons Meters 0.001 Kilometers
Cubic feet 28.32 Liters Meters 1000 Millimeters
Cubic feet/second 26915 Gallons/hour Meters/sec. 3.281 Feet/sec.
Cubic inches 1.639 x 10
-5
Cubic meters Microns 3.94 x 10
-5
Inches
Cubic inches 4.329 x 10
-3
Gallons Micropecka 1.00 Slug
Cubic meters 1.0 x 10
6
Cubic cm. Millimeters 0.1 Centimeters
Cubic meters 35.31 Cubic feet Millimeters 0.003281 Feet
Cubic meters 1.308 Cubic yards Millimeters 0.03937 Inches
Degrees (angle) 1.745 x 10
-2
Radians Millimeters 1.0 x 10
-6
Kilometers
Dynes 1.020 x 10
-6
Kilograms Millimeters .001 Meters
Dynes 2.248 x 10
-6
Pounds Newtons 1.0 x 10
5
Dynes
Dynes/sq. cm. 9.870 x 10
-7
Atmosphere Newtons 0.2248 Pounds
Dynes/sq. cm. 1 x 10
-6
Bars Newtons/mm 5.71 Pounds/inch
Dynes/sq. cm. 0.01020 Kgs./
sq.meter Newton-Meters 8.8504 Inch-pounds
Dynes/sq. cm. 2.089 x 10
-3
Pounds/sq. ft. Newtons/sq. meter 1 Pascals
Dynes/sq. cm. 1.450 x 10
-5
Pounds/sq. in. Ounces 28.35 Grams
Fahrenheit 5/9 (
o
F -32) Celsius Ounces (fluid) 0.02957 Liters
Feet 30.48 Centimeters Pounds 444823 Dynes
Feet 3.048 x 10
-4
Kilometers Pounds 453.6 Grams
Feet 0.3048 Meters Pounds 0.4536 Kilograms
Feet 304.8 Millimeters Pounds of water 0.01602 Cubic feet
Feet/minute 0.01667 Feet/second Pounds of water 27.68 Cubic inches
Foot-pounds 1.356 Joules Pounds of water 0.1198 Gallons
Foot-pounds 3.241 x 10
-4
Kg.-calories Pounds/cu. foot 0.01602 Grams/cu. cm.
Foot-pounds 0.1383 Kg.-meters Pounds/cubic foot 16.02 Kgs./cu. meter
Gallons (U.S.) 0.1337 Cubic feet Pounds/cubic foot 5.787 x 10
4
Pounds/ cu. in.
Gallons (U.S.) 231 Cubic inches Pounds/cu. in. 2.768 x 10
4
Kgs./cu. meter
Gallons (U.S.) 3.785 x 10
-3
Cubic meters Pounds/cu. in. 1.728 x 10
3
Pounds/cu. ft.
Gallons (U.S.) 3.785 Liters Pounds/inch 17.86 Kilograms/meter
Gallons of water 8.337 Pounds of water Pounds/inch 178.6 Grams/cm.
Gallons/hour 3.71 x 10
-5
Cu.ft./sec. Pounds/square inch 2.036 Inches of mercury
Grams 980.7 Dynes Pounds/square inch 51.7 Mm of mercury
Grams 2.205 x 10
-3
Pounds Pounds/square inch 703.1 Kgs./sq. meter
Grams/cubic cm. 0.03613 Lbs./cu. in. Radians 57.3 Degrees
Grams/sq. cm. 1.422 x 10
-2
Lbs./sq. in. Slugs 3.217 x 10
1
Pounds
Inches 2.54 Centimeters Square centimeters 0.1550 Square inches
Inches 0.0254 Meters Square feet 929 Square cms.
Inches 25.4 Millimeters Square feet 0.0929 Square meters
Inches of mercury 0.03342 Atmospheres Square inches 645.2 Square mms.
Inches of mercury 3.453 x 10
-2
Kgs./sq. cm. Square inches 6.452 Square cms.
Inches of mercury 0.4912 Lbs./sq. in. Square meters 1.55 x 10
3
Square inches
Inches of water 2.458 x 10
-3
Atmospheres Square millimeters 1.0 x 10
-2
Square cms.
Inches of water 0.07355 Inches of mercury Square millimeters 1.55 x 10
-3
Square inches
Inches of water 0.03613 Lbs./sq. in.
84
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