To calculate your heating requirements, simply enter the dimensions of your room in Metric or Imperial to the interactive form below. Now click the 'Calculate' button to see the size of stove output in kW required to heat your room.

Metric Calculator
Room Length (m) m
Room Width(m) m
Room Height(m) m
Room Volume (m3) m3
Output kW


Imperial Calculator
Room Length (ft) ft
Room Width(ft) ft
Room Height(ft) ft
Room Volume (ft3) ft3
Output kW