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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