GENERATOR CALCULATOR

Choosing the right size generator saves you money and avoids the frustration of tripping breakers or underpowering your tools. Too small and it won't handle the load. Too large and you're paying for capacity you'll never use. Our generator sizing calculator helps you work out exactly how much power you need. Select your use case below, add the appliances or equipment you want to run, and get an instant recommendation matched to generators in our range. Whether you need backup power for your home during outages, a portable unit for the job site, or a standby generator for your off grid setup, this tool gives you a clear answer in under a minute.