Conversion Factors

 

 

Form Metric to English

From To Multiply By
actual cubic meter/hr (am3/h) actual cubic foot/hr (acfh) 35.31
normal cubic meter/hr (Nm3/h) standard cubic foot /hr (scfh) 38.04
degrees Celsius (°C) degrees Fahrenheit (°F) (°C x 9/5) + 32
kilogram (kg) pound (lb) 2.205
kilowatt (kW) Btu/h 3415
meter (m) foot (ft) 3.281
millibar (mbar) inches water column (“w.c.) 0.402
millibar (mbar) pounds/sq in (psi) 14.5 x 10-3
millimeter (mm) inch (in) 3.94 x 10-2
MJ/Nm3 Btu/ft3 (standard) 26.86

English to Metric

From

To

Multiply By

actual cubic foot/hr (acfh)

actual cubic meter/hr (am3/h)

2.832 x 10-2

standard cubic foot /hr (scfh)

normal cubic meter/hr (Nm3/h)

2.629 x 10-2

degrees Fahrenheit (°F)

degrees Celsius (°C)

(°F – 32) x 5/9

pound (lb)

kilogram (kg)

0.454

Btu/h

kilowatt (kW)

0.293 x 10-3

foot (ft)

meter (m)

0.3048

inches water column (“w.c.)

millibar (mbar)

2.489

pounds/sq in (psi)

millibar (mbar)

68.95

inch (in)

millimeter (mm)

25.4

Btu/ft3 (standard)

MJ/Nm3

37.2 x 10-3