Emergency Generator Fuel Calculator

Calculate fuel storage needs for emergency generator runtime based on generator size, load, fuel type, and duration.

Generator size (kW)

Avg load (%)

Target runtime (hours)

Fuel type (0-2)

Safety margin (%)

Tab to move between fields

Total fuel needed (gal)

46.6

Fuel consumption (gal/hr)0.56

5-gallon cans needed10

Runtime per can (hrs)8.9

Actual output (kW)3.8

Est. fuel cost ($)$163.01

Safety reserve (gal)6.1

Fuel shelf life (months)6

How to Use This Calculator

Enter Generator Size (kW) and Average Load (%) expected during operation.
Set Target Runtime (hours) for the emergency event.
Select Fuel Type (diesel, gasoline, or natural gas).
Enter Safety Margin % to ensure adequate reserve.
Review Total Fuel Needed (gallons) and Consumption Rate (GPH) to plan storage and resupply logistics.

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