Calculators

Estimate the fuel cost to run a propane generator based on generator load, runtime, propane consumption rate, and propane price.

Estimate total generator fuel consumption based on generator size, load level, runtime, fuel type, and operating efficiency.

Estimate the fuel cost to run a diesel generator based on generator load, fuel consumption rate, diesel price, operating hours, and operating period.

Estimate the hourly running cost of a generator based on generator size, load level, fuel type, fuel price, and maintenance overhead.

Estimate the fuel cost to run a generator based on electrical load, runtime, fuel efficiency, fuel price, and load factor.

Estimate a generator’s fuel consumption in liters per hour based on rated power, load level, engine efficiency, and fuel type. This calculator helps approximate hourly fuel use for planning runtime and fuel storage.

Estimate a generator’s fuel consumption in gallons per hour based on generator size, load level, fuel type, and engine efficiency.

Estimate how many hours a generator can run based on fuel tank size, current fuel level, generator load, fuel consumption rate, and a runtime reserve.

Estimate the required generator fuel tank size in gallons based on generator load, fuel consumption rate, desired runtime, and reserve capacity.

Estimate generator fuel consumption and operating cost based on generator size, load level, runtime, fuel type, and fuel price. This calculator applies a typical proportional load factor to approximate real-world fuel burn.

Estimate generator fuel consumption based on generator size, load level, runtime, fuel type efficiency, and operating condition. The calculation estimates total fuel used for the selected operating period.

Estimate total runtime for a task or process based on workload, processing speed, efficiency, setup time, and complexity.

Estimate propane fuel consumption for a generator based on generator size, load level, runtime, and propane energy content. This calculator returns the estimated gallons of propane used.

Estimate diesel fuel consumption for a generator based on rated power, load factor, specific fuel consumption, and operating time. Useful for planning fuel usage for standby, prime, or continuous generator operation.

Estimate gasoline use and fuel cost for a generator based on power output, load level, runtime, fuel efficiency, and gasoline price.

Estimate natural gas consumption for a generator based on electrical load, runtime, generator efficiency, and natural gas energy content. The result shows the estimated gas usage in cubic feet.

Estimate how many hours a propane generator can run based on tank size, usable fill level, generator load, and fuel consumption rate at full load.

Estimate how long a diesel generator can run based on usable fuel, average electrical load, generator size, and operating load profile.

Estimate how many hours a portable generator can run based on fuel tank size, fuel type, average electrical load, generator efficiency, and load pattern.

Estimate how many hours a generator can run based on fuel available, fuel consumption rate, load level, and operating conditions.

Estimate the recommended generator size in running watts for a mobile home based on floor area, heating or cooling load, major appliance usage, and desired startup surge coverage.

Estimate the minimum generator size needed to run a welder based on welding output current, arc voltage, machine efficiency, and power factor, with extra capacity for startup surges and stable operation.

Estimate the generator size needed to power a greenhouse based on floor area, heating demand, lighting load, ventilation equipment, and climate severity. This calculator provides a recommended generator capacity with a planning buffer for startup surges and reserve power.

Estimate the generator size needed to power a barn based on lighting, ventilation, water pumps, and reserve capacity for startup surges and future expansion.

Estimate the recommended generator size for a farm based on total running load, motor starting surge, desired load capacity, power factor, and future expansion allowance.

Estimate the recommended generator size in watts for an off-grid setup based on daily energy use, peak load, surge demand, backup runtime, and altitude derating.

Estimate the recommended generator running wattage for a cabin based on cabin size, occupancy, heating/cooling use, appliance load, and desired startup surge capacity.

Estimate the recommended marine generator size in kW based on total continuous electrical load, starting surge allowance, desired load margin, power factor, and whether the vessel primarily uses single-phase or three-phase service.

Estimate the recommended marine generator size in kilowatts based on your boat’s continuous electrical load, largest motor starting surge, desired reserve capacity, and system efficiency factor.

Estimate the recommended generator size in running watts for a tailgate setup based on common appliances, TV size, sound system use, and a safety buffer for startup surge and extra devices.