Generator Fuel Consumption Calculator
Type generator size to estimate hourly fuel burn.
For peak reliability and performance, diesel generators are ideally sized to operate continuously at roughly 75% load. Running near this capacity ensures optimal fuel-to-power efficiency while preventing engine issues like wet stacking, unburnt fuel buildup, and premature component wear.
25% LOAD
— L/hr
Approx. consumption
50% LOAD
— L/hr
Approx. consumption
75% LOAD
— L/hr
Approx. consumption
100% LOAD
— L/hr
Approx. consumption
*Estimates based on diesel fuel consumption rates (assuming 0.8 power factor for kVA). Actual fuel burn may vary depending on engine make, model, and site conditions.
