At GeneratorPartsHub, we’ve designed a complete set of free generator calculation tools to help you make accurate, safe, and efficient decisions. Whether you’re checking fuel consumption, selecting the right battery size, estimating your load capacity, or converting between kW and kVA, these tools simplify complex power calculations in seconds. You can also find precise wire size and voltage drop estimations, calculate AC load requirements, and determine the right ATS sizing for your setup. Each tool ensures accuracy, safety margin, and professional precision — perfect for engineers, electricians, and generator owners who value reliability and performance.