What size generator do I need for a 30 amp service?

If you're using amps, multiply them by 120V to find the exact wattage you'll need. In general, a 3,000 watt generator should be sufficient for a 30-amp RV, however, if possible, it's best to calculate your own individual approximate usage.

Click to read in-depth answer. Herein, how many watts does a 30 amp RV use?

3,600 watts

Furthermore, how do you determine what size generator you need? To calculate what size generator you need to power your whole home, follow these 3 steps:

  1. Step 1: List out every appliance you want to power.
  2. Step 2: Determine the starting and running wattage of everything on your list.
  3. Step 3: Add the wattage together.

Thereof, what size generator do I need to run a welder?

Determining the exact generator size required to safely run a welding machine is not always a straightforward process.

a. Generator Size:

Inverter Welder Max. Output Suggested "Minimum" Generator Size** Suggested "Ideal" Generator Size***
Up to 160A 7kva 8+kva
180–200A 8kva 10+kva

How big of a generator do you need to run an RV?

The size of your air conditioner will determine how big a generator you need. It consumes the most wattage. For example, if your air conditioner requires 2800 – 3000 starting watts, and 1500 – 2000 running watts, a 3,000 watt RV generator will be sufficient for working your air conditioner.