Estimate propane gallons or natural gas use for your generator size and load, and how long a tank will last.
These tools give planning-level estimates from typical values. They are not quotes, designs or engineering advice, and results depend on your actual home, equipment and local conditions. We confirm everything with a free on-site assessment.
Natural gas or propane.
How hard it will run, from light essentials to full load.
For propane, pick a tank size.
Estimated gallons or cubic feet per hour and how long a tank lasts.
It is a planning estimate based on fuel energy content and a typical efficiency you can adjust. Your model's spec sheet is more exact.
It depends on load and how many days you want to cover. The tool shows hours per tank.
Propane tanks deliver less in extreme cold. We plan for it.
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