Air-Fuel Ratio (AFR) Calculator

Air-Fuel Ratio (AFR) Calculator CalculatorScale.com

Input Parameters

Instant Real-time Calculation

Mass of Air (kg or lbs)

Mass of Fuel (kg or lbs)

Stoichiometric Ratio for Fuel Type

Result Chemistry

Air-Fuel Ratio (AFR)

-- :1 AFR

Export calculation:

Calculation Logic:

Measures the mass ratio of air to fuel present in a combustion process. Lambda λ = 1.0 represents exact stoichiometry; λ < 1.0 is rich, λ > 1.0 is lean.