Steam heat transferred calculator

Multiply steam mass flow by its inlet-to-outlet enthalpy decrease.

Units

q = \dot{m} \times \left(h_{\text{in}} - h_{\text{out}}\right)

Calculator

Enter the values you know and leave one box empty. Calculate finds the empty one, the result or any input.

Given

q = 620 \times \left(1190 - 180\right) = 626{,}200

Symbol	Meaning	Unit
$q$	thermal rate delivered	Btu/h
$\dot{m}$	steam mass flow	lb/h
$h_{\text{in}}$	inlet specific enthalpy	Btu/lb
$h_{\text{out}}$	outlet specific enthalpy at its actual phase	Btu/lb

Symbol	Meaning	Unit
$q$	heat rate delivered	kW
$\dot{m}$	steam mass flow	kg/h
$h_{\text{in}}$	inlet specific enthalpy	kJ/kg
$h_{\text{out}}$	outlet specific enthalpy at its actual phase	kJ/kg

Results are estimates for study and screening. Check the inputs, units and assumptions before you use them for design, billing or contract decisions.