Generator Fuel Consumption & Runtime Calculator
Estimate how much fuel your generator will use and how long it will run based on its size, load, and fuel type. Adjust the values below to match your generator and expected usage.
Configuration
Typical efficiency is 80-95%. Inverter generators are often more efficient.
Estimated Results
Estimates are based on typical consumption rates. Actual runtime will vary based on generator efficiency, altitude, and temperature.
Typical Fuel Consumption Charts
Quick reference charts for common generator sizes and fuel types.
Gasoline
| Size (W) | 50% Load | 100% Load |
|---|
Propane
| Size (W) | 50% Load | 100% Load |
|---|
Diesel
| Size (kW) | 50% Load | 100% Load |
|---|
Recommended Fuel & Maintenance Products
Keep your generator ready and running smoothly with these essential items.
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Fuel Stabilizer
Prevents gasoline from going stale, ensuring your generator starts reliably after months of storage. A must-have for emergency preparedness.
View on AmazonSafe Gas Cans
Safely store and transport gasoline for your generator. Look for cans with safety features like flame arrestors and auto-shutoff spouts.
View on AmazonGenerator Oil
Using the correct oil is vital for engine health. Check your generator's manual for the recommended type (e.g., SAE 30, 10W-30).
View on Amazon