Skip to main content
ElecToolsHQ

Generator Fuel Consumption Calculator

Estimate a generator's fuel consumption from its load and fuel consumption rate (Fuel = Load × Rate).

The generator's fuel consumption rate per kW, from its spec sheet.

Formula

Fuel = Load × Rate

Fuel
Fuel consumption, in gallons per hour
Load
Generator load, in kilowatts
Rate
Fuel consumption rate, in gallons per hour per kilowatt

What this calculator does

Estimates a generator's hourly fuel consumption from its current load and fuel rate.

Use cases

  • Estimate how long a fuel supply will last at a given load
  • Plan refueling schedules for an extended outage
  • Compare fuel consumption across different load levels

Related