Appendix
Conversion Factors
Metric to English
Metric to Metric
English to Metric
From
To
Multiply By
actual cubic meter/h (am³/h)
actual cubic foot/h (acfh)
35.31
normal cubic meter/h (Nm³/h)
standard cubic foot /h (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
From
To
Multiply By
kiloPascals (kPa)
millibar (mbar)
10
meter (m)
millimeter (mm)
1000
millibar (mbar)
kiloPascals (kPa)
0.1
millimeter (mm)
meter (m)
0.001
From
To
Multiply By
actual cubic foot/h (acfh)
actual cubic meter/h (am³/h)
2.832 x 10
-2
standard cubic foot /h (scfh)
normal cubic meter/h (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
i