What Size Generator Do I Need?
Quick answer
This calculator computes what must stay running — get the wattage class and the right frame style.
- Free, no sign-up, works on any device.
- Try it now.
Figures are estimates from this calculator’s standard formula — adjust the inputs in the tool below for your exact number.
What Size Generator Do I Need?
Check what must stay running — get the wattage class and the right frame style.
Step 1 of 2
What it must runEverything you expect to power at the same time.
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