Conversions 
Please use a decimal point and not a comma to indicate the decimal place!

Pressure Volume Capacity
kPa m kW
mbar l PS
Psi cf   (cubic foot) hp
at in  (cubic inch) kpm/s
atm yd (cubic yard) cal/s
mm water column gallon British kcal/h
Torr gallon USA  
Temperature Flow rate Energy
C m/min kWh
K l/min kpm
F l/s kcal
  cmf   (cf/min)    kJ