Standard Conversion Factors

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STANDARD CONVERSIONS

FLOW
1 cc/min	=	.001 Liters/min
1 cc/min	=	.000264 Gallons/min
1 Liter/min	=	1000 cc/min (ml/min)
1 Liter/min	=	.264 Gallons/min
1 Gallon/min	=	3.785 Liters/min
1 Gallon/min	=	3785.41178 cc/min (ml/min)

Conversion factors

To Convert To...		Multiply...		By...
Atmospheres Atmospheres Atmospheres Atmospheres	(atm) (atm) (atm) (atm)	Bar Inches Mercury Pounds/square inch Torr	-- (in Hg) (psi) --	0.9869 0.03342 0.06805 0.001316
Bar Bar		Atmospheres Pounds/square inch	(atm) (psi)	1.0133 0.06895
British Thermal Units British Thermal Units British Thermal Units British Thermal Units/hour British Thermal Units/hour British Thermal Units---inches hour-square foot---ºF British Thermal Units/pound British Thermal Units/pound---ºF	(Btu) (Btu) (Btu) (Btu/h) (Btu/h) (Btu---in) (h-ft²---ºF) (Btu/lb) (Btu/lb---ºF)	Joules Kilowatt-hours Watt-hours Kilocalories/hour Watts Watts/meter---ºC Kilojoules/kilogram Kilojoules/kilogram---ºC	(J) (KWh) (Wh) (kcal/h) (W) (W/m---ºC) (kJ/kg) (kJ/kg---ºC)	0.000948 3412 3.412 3.969 3.412 6.933 0.4299 0.2388
Calories	(cal)	Joules	(J)	0.2388
Centimeters Centimeters Centimeters/second Cubic centimeters Cubic centimeters Cubic centimeters	(cm) (cm) (cm/s) (cm³ or cc) (cm³ or cc) (cm³ or cc)	Feet Inches Feet/minute Cubic feet Cubic inches Milliliters	(ft) (in) (fpm) (ft³) (in³) (ml)	30.48 2.54 0.508 28,320 16.39 1.0
Cubic feet Cubic feet Cubic feet Cubic feet/minute Cubic feet/minute Cubic feet/minute	(ft³) (ft³) (ft³) (cfm) (cfm) (cfm)	Cubic meters Gallons, U.S. Liters Cubic meters/hour Cubic meters/second Liters/second	(m³) (gal) (l) (m³/h) (m³/s) (l/s)	35.32 0.1337 0.03532 0.5885 2119 2.119
Cubic inches Cubic meters	(in³) (m³)	Cubic centimeters Gallons, U.S.	(cm³ or cc) (gal)	0.061 0.003785
Cubic meters Cubic meters Cubic meters/hour Cubic meters/hour Cubic meters/second	(m³) (m³) (m³/h) (m³/h) (m³/s)	Liters Cubic feet Cubic feet/minute Gallons/minute Cubic feet/minute	(l) (ft³) (cfm) (gpm) (cfm)	0.001 0.02832 1.699 0.2271 0.000472
Feet Feet Feet/minute Feet/minute	(ft) (ft) (fpm) (fpm)	Centimeters Meters Centimeters/second Meters/second	(cm) (m) (cm/s) (m/s)	0.03281 3.281 1.969 196.9

To Convert To...		Multiply...		By...
Gallons, Imperial Gallons, U.S. Gallons, U.S. Gallons, U.S. Gallons, U.S. Gallons/minute Gallons/minute	-- (gal) (gal) (gal) (gal) (gpm) (gpm)	Gallons, U.S. Cubic feet Cubic meters Gallons, Imperial Liters Cubic meters/hour Liters/second	(gal) (ft³) (m³) -- (l) (m³/h) (l/s)	0.8327 7.481 264.2 1.201 0.2642 4.403 15.85
Grams Grams Grams/cubic centimeter Grams/cubic centimeter Grams/cubic centimeter	(g) (g) (g/cm³) (g/cm³) (g/cm³)	Ounces Pounds Kilograms/cubic meter Pounds/cubic foot Pounds/cubic inch	(oz) (lb) (kg/m³) (lb/ft³) (lb/in³)	28.35 453.6 0.001 0.01602 27.68
Inches Inches Inches Mercury Inches Mercury	(in) (in) (in Hg) (in Hg)	Centimeters Millimeters Atmospheres Torr	(cm) (mm) (atm) --	0.3937 0.03937 29.92 25.4
Joules Joules Joules Joules/second Joules/second	(J) (J) (J) (J/s) (J/s)	British Thermal Units Calories Watt-hours British Thermal Units/hour Watts	(Btu) (cal) (Wh) (Btu/h) (W)	1055 4.187 3600 0.2931 1
Kilocalories/hour	(kcal/h)	Btu/hour	(Btu/h)	0.252
Kilograms Kilograms/cubic meter Kilograms/cubic meter Kilograms/square centimeter	(kg) (kg/m³) (kg/m³) (kg/cm²)	Pounds Grams/cubic centimeter Pounds/cubic foot Pounds/square inch	(lb) (g/cm³) (lb/ft³) (psi)	0.4536 1000 16.02 0.07031
Kilojoules Kilojoules/kilogram Kilojoules/kilogram---ºC	(kJ) (kJ/kg) (kJ/kg---ºC)	Watt-hours British Thermal Units/pound British Thermal Units/pound---ºF	(Wh) (Btu/lb) (Btu/lb---ºF)	3.6 2.326 4.187
Kilometers/hour	(km/h)	Miles/hour	(mph)	1.609
Kilopascals	(kPa)	Pounds/square inch	(psi)	6.895
Kilowatts Kilowatts Kilowatt-hours Kilowatt-hours	(KW) (KW) (KWh) (KWh)	British Thermal Units/hour Watts British Thermal Units Watt-hours	(Btu/h) (W) (Btu) (Wh)	0.0002931 0.001 0.0002931 0.001
Liters Liters Liters Liters/second Liters/second	(l) (l) (l) (l/s) (l/s)	Cubic Feet Cubic Meters Gallons, U.S. Cubic feet/minute Gallons/minute	(ft³) (m³) (gal) (cfm) (gpm)	28.32 1000 3.785 0.4719 0.06309

To Convert To...		Multiply...		By...
Meters Meters/second	(m) (m/s)	Feet Feet/minute	(ft) (fpm)	0.3048 0.00508
Miles/hour	(mph)	Kilometers/hour	(km/h)	0.6215
Millimeters	(mm)	Inches	(in)	25.4
Newtons/square meter	(N/m²)	Pounds/square inch	(psi)	6,895
Ounces	(oz)	Grams	(g)	0.035274
Pounds Pounds	(lb) (lb)	Grams Kilograms	(g) (kg)	0.002205 2.205
Pounds/cubic foot Pounds/cubic foot	(lb/ft³) (lb/ft³)	Grams/cubic centimeter Kilograms/cubic meter	(g/cm³) (kg/m³)	62.43 0.06243
Pounds/cubic inch	(lb/in³)	Grams/cubic centimeter	(g/cm³)	0.03613
Pounds/square inch Pounds/square inch Pounds/square inch Pounds/square inch	(psi) (psi) (psi) (psi)	Bar Kilograms/square centimeter Kilopascals Newtons/square meter	-- (kg/cm²) (kPa) (N/m²)	14.504 14.22 0.145 0.000145
Square centimeters Square centimeters	(cm²) (cm²)	Square feet Square inches	(ft²) (in²)	929 6.452
Square feet Square feet	(ft²) (ft²)	Square centimeters Square meters	(cm²) (m²)	0.001076 10.76
Square inches	(in²)	Square centimeters	(cm²)	0.155
Square meters	(m²)	Square feet	(ft²)	0.0929
Torr Torr		Inches Mercury Pounds/square inch	(in. Hg) (psi)	0.03937 51.71
Watts Watts Watt-hours Watt-hours Watt-hours Watts/meter---ºC -- Watts/square centimeter Watts/square inch	(W) (W) (Wh) (Wh) (Wh) (W/m---ºC) -- (W/cm²) (W/in²)	British_Thermal_Units/hour Joules/second British_Thermal_Units Joules Kilojoules Watts/square inch Watts/square centimeter	(Btu/h) (J/s) (Btu) (J) (kJ) (W/in²) (W/cm²)	0.2931 1 0.2931 0.0002778 0.2778 0.1442 -- 0.155 6.452

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