RV generator size calculator

Picking a generator for RV and camping use is easier when you think in terms of the actual appliances you want to run.

This calculator lets you choose a few common RV loads and gives a rough generator wattage suggestion with a margin.

Choose the main things you want to run in your RV or camper and get a rough generator size suggestion.

RV A/C unit

Microwave or convection oven

Outlets, lights, and devices

Extra margin

A little extra wattage helps with startup surges and future upgrades.

For more planning tools, you can also use the other calculators and guides on the GeneratorCalc home page.