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Generator Sizing Calculator

There is no doubt that sizing your generator can be confusing, even for the professionals. We have developed a tool that will take the headache out of the process. Our generator sizing calculator will give you a reliable kW rating. Once you have that, finding the right generator will be a piece of cake. Try it now. Don't forget to write a review and let us know if we got it right.


NOTICE: This calculator is intended for estimating purposes only. Actual power requirements of appliances vary by brand, model and capacity. Always have a qualified electrician analyze your specific requirements before making a purchase decision.