Energy and renewables
Fuel mass from required heat
Calculates fuel mass from required useful heat, LHV, and efficiency provided by the user.
Related calculators
Fuel CO2 emission
Simple estimate calculator for CO2 emission from fuel mass and a user-provided emission factor.
Fuel energy from mass and LHV
Calculates fuel chemical energy from mass and user-provided lower heating value.
Fuel energy from mass and LHV
Calculates fuel chemical energy from mass and user-provided lower heating value.
Fuel energy from volume and LHV
Calculates fuel energy from volume and user-provided volumetric heating value.
Fuel volumetric energy density
Calculates volumetric energy density from user-provided LHV and fuel density.
Boiler efficiency
Calculates indicative efficiency as useful heat output divided by fuel energy input.