Thermal
Air required from air-fuel ratio
Calculates air mass from user-provided air-fuel ratio and fuel mass.
Related calculators
Excess air percentage
Calculates excess air percentage from actual and theoretical air mass.
Fuel energy from mass and LHV
Calculates fuel chemical energy from mass and user-provided lower heating value.
Simplified CO2 emission from fuel
Simplified CO2 emissions calculator: the result depends on fuel used and the selected emission factor in kg/L.
Boiler efficiency
Calculates indicative efficiency as useful heat output divided by fuel energy input.
Fuel CO2 emission
Simple estimate calculator for CO2 emission from fuel mass and a user-provided emission factor.
Fuel consumption from heat output
Calculates fuel mass needed for a given heat output, efficiency, and LHV.