Conversion Factors - CFD

[Pages:6]Conversion Factors

Length

To Convert

inches inches feet feet feet feet yards yards miles (U.S. statute) miles (U.S. statute) miles (U.S. statute) miles (U.S. statute) meters meters meters nautical miles Area

square inches square inches square feet square feet square meters square miles

To

millimeters feet inches meters yards miles (U.S. statute) yards miles (U.S. statute) feet yards meters nautical miles feet yards miles (U.S. statute) miles (U.S. statute)

square centimeters square feet square inches square meters square feet square yards

Multiply by

25.4 0.0833 12* 0.3048 0.3333 0.0001894 3* 0.0005682 5280* 1760* 1609 0.868 3.281 1.094 0.0006214 1.152

6.452 0.006944 144* 0.09290 10.76 3,097,600*

square yards Volume cubic inches cubic inches cubic feet cubic feet cubic feet cubic meters liters quarts (U.S. liquid) U.S. gallons U.S. gallons U.S. gallons barrels (petroleum) Imperial gallons milliliters Time seconds seconds seconds minutes minutes minutes hours hours hours Mass or Weight

square feet

cubic centimeters cubic feet cubic inches cubic meters U.S. gallons cubic feet quarts (U.S. liquid) liters barrels (petroleum) cubic feet Imperial gallons U.S. gallons U.S. gallons cubic centimeters

minutes hours days seconds hours days seconds minutes days

9*

16.39 0.0005787 1728* 0.02832 7.481 35.31 1.057 0.9463 0.02381 0.1337 0.8327 42* 1.201 1*

0.01667 0.0002778 0.00001157 60* 0.01667 0.0006944 3600* 60* 0.04167

pounds pounds pounds pounds tons (short) tons (metric) tons (long) kilograms tonnes (metric tons) Energy calories calories Btu (British Thermal Units) Btu joules joules Velocity feet per second feet per second feet per second meters per second meters per second miles per hour miles per hour knots knots knots

kilograms short tons long tons metric tons pounds pounds pounds pounds kilograms

Btu joules calories joules calories Btu

meters per second miles per hour knots feet per second miles per hour meters per second feet per second meters per second miles per hour feet per second

0.4536 0.0005* 0.0004464 0.0004536 2000* 2205 2240* 2.205 1000*

0.003968 4.187 252.0 1055 0.2388 0.0009479

0.3048 0.6818 0.5921 3.281 2.237 0.4470 1.467 0.5148 1.151 1.689

Density pounds per cubic foot grams per cubic centimeter grams per cubic centimeter kilograms per cubic meter Pressure pounds per square inch absolute (psia) psia psia psia pounds per square inch gauge (psig) millimeters of mercury (torr) millimeters of mercury (torr) inches of water kilograms per square centimeter inches of water kilograms per square centimeter atmospheres kilograms per square centimeter atmospheres bars kilonewtons per square meter bars kilonewtons per square meter bars Viscosity centipoises

grams per cubic centimeter pounds per cubic foot kilograms per cubic meter grams per cubic centimeter

kilonewtons per square meter (kN/m2) atmospheres inches of water millimeters of mercury (torr) psia psia kN/m2 psia millimeters of mercury (torr) kN/m2 atmospheres kN/m2 psia psia kN/m2 psia atmospheres atmospheres kilograms per square centimeter

pounds per foot per second

0.01602 62.42 1000* 0.001*

6.895

0.0680 27.67 51.72 add 14.70 0.01934 0.1333 0.03614 735.6 0.2491 0.9678 101.3 14.22 14.70 100* 0.1450 0.9869 0.009869 1.020

0.0006720

pounds per foot per second

centipoises

centipoises

poises

centipoises

newton seconds per square meter

poises

grams per centimeter per second

grams per centimeter per second

poises

newton seconds per square meter

centipoises

Thermal Conductivity Btu per hour per foot per oF Btu per hour per foot per oF

watts per meter-kelvin kilocalories per hour per meter per oC kilocalories per hour per meter per oC

watts per meter-kelvin kilocalories per hour per meter per oC Btu per hour per foot per oF watts per meter-kelvin Btu per hour per foot per oF

Heat Capacity Btu per pound per oF Btu per pound per oF joules per kilogram-kelvin calories per gram per oC

calories per gram per oC joules per kilogram-kelvin Btu per pound per oF Btu per pound per oF

Concentration (in water solution)

parts per million (ppm)

milligrams per liter

milligrams per liter

ppm

milligrams per cubic meter

grams per cubic centimeter

grams per cubic centimeter

milligrams per cubic meter

grams per cubic centimeter

pounds per cubic foot

pounds per cubic foot

grams per cubic centimeter

Temperature degrees Kelvin (oK) degrees Rankine (oR)

degrees Rankine (oR) degrees Kelvin (oK)

1488 0.01* 0.001* 1* 1* 1000*

1.731 1.488

0.5778 1.163 0.6720

1* 4187 0.0002388 1*

1* 1* 1 X 10-9 1 X 109 62.42 0.01602

1.8* 0.5556

degrees centigrade (oC) degrees Fahrenheit (oF)

degrees Fahrenheit (oF) degrees centigrade (oC)

degrees centigrade (oC) degrees Fahrenheit (oF) Flow cubic feet per second U.S. gallons per minute Universal Gas Constant (R) 8.314 joules per gram mole-Kelvin

degrees Kelvin (oK) degrees Rankine (oR)

U.S. gallons per minute cubic feet per second

1.987 calories per gram mole-Kelvin 1.987 Btu per pound mole per oF

10.73 psia-cubic feet per pound mole per oF

82.057 atm-cubic centimeters per gram mole-Kelvin

62.361 millimeters mercury liter per gram mole-Kelvin

first multiply by 1.8, then add 32

first subtract 32, then multiply by 0.5556

add 273.2

add 459.7

448.9

0.002228

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