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Generator Fuel Consumption Calculator — L/h, Runtime & Cost

Editable live calculator

Change any input — the result updates immediately

No hidden assumptions. Inputs, units and the working stay visible so you can check the calculation.

Average electrical load (kW) Use actual expected output load, not nameplate rating unless fully loaded.Specific fuel consumption (L/kWh) Prefer manufacturer or measured SFC at this operating point.Planned run time (hours) Continuous equivalent hours at the entered average load.Fuel tank capacity (L) Optional for runtime; enter 0 to omit tank runtime.Fuel reserve (%) Held unavailable for the runtime estimate; must be below 100%.Fuel price per litre Currency is intentionally neutral; results use the same entered currency.

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