Power Converter

Convert between all common power units including watts, kilowatts, megawatts, horsepower (imperial and metric), BTU/hour, and calorie/second.

Power Converter 11 units

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Common Power Conversions

All Power Conversions

Browse all unit combinations — each page has a dedicated converter and conversion table.

Watts → Milliwatts Watts → Kilowatts Watts → Megawatts Watts → Gigawatts Watts → Horsepower Watts → Metric HP Watts → BTU/hour Watts → BTU/minute Watts → kcal/hour Watts → ft·lb/s Milliwatts → Watts Milliwatts → Kilowatts Milliwatts → Megawatts Milliwatts → Gigawatts Milliwatts → Horsepower Milliwatts → Metric HP Milliwatts → BTU/hour Milliwatts → BTU/minute Milliwatts → kcal/hour Milliwatts → ft·lb/s Kilowatts → Watts Kilowatts → Milliwatts Kilowatts → Megawatts Kilowatts → Gigawatts Kilowatts → Horsepower Kilowatts → Metric HP Kilowatts → BTU/hour Kilowatts → BTU/minute Kilowatts → kcal/hour Kilowatts → ft·lb/s Megawatts → Watts Megawatts → Milliwatts Megawatts → Kilowatts Megawatts → Gigawatts Megawatts → Horsepower Megawatts → Metric HP Megawatts → BTU/hour Megawatts → BTU/minute Megawatts → kcal/hour Megawatts → ft·lb/s Gigawatts → Watts Gigawatts → Milliwatts Gigawatts → Kilowatts Gigawatts → Megawatts Gigawatts → Horsepower Gigawatts → Metric HP Gigawatts → BTU/hour Gigawatts → BTU/minute Gigawatts → kcal/hour Gigawatts → ft·lb/s Horsepower → Watts Horsepower → Milliwatts Horsepower → Kilowatts Horsepower → Megawatts Horsepower → Gigawatts Horsepower → Metric HP Horsepower → BTU/hour Horsepower → BTU/minute Horsepower → kcal/hour Horsepower → ft·lb/s Metric HP → Watts Metric HP → Milliwatts Metric HP → Kilowatts Metric HP → Megawatts Metric HP → Gigawatts Metric HP → Horsepower Metric HP → BTU/hour Metric HP → BTU/minute Metric HP → kcal/hour Metric HP → ft·lb/s BTU/hour → Watts BTU/hour → Milliwatts BTU/hour → Kilowatts BTU/hour → Megawatts BTU/hour → Gigawatts BTU/hour → Horsepower BTU/hour → Metric HP BTU/hour → BTU/minute BTU/hour → kcal/hour BTU/hour → ft·lb/s BTU/minute → Watts BTU/minute → Milliwatts BTU/minute → Kilowatts BTU/minute → Megawatts BTU/minute → Gigawatts BTU/minute → Horsepower BTU/minute → Metric HP BTU/minute → BTU/hour BTU/minute → kcal/hour BTU/minute → ft·lb/s kcal/hour → Watts kcal/hour → Milliwatts kcal/hour → Kilowatts kcal/hour → Megawatts kcal/hour → Gigawatts kcal/hour → Horsepower kcal/hour → Metric HP kcal/hour → BTU/hour kcal/hour → BTU/minute kcal/hour → ft·lb/s ft·lb/s → Watts ft·lb/s → Milliwatts ft·lb/s → Kilowatts ft·lb/s → Megawatts ft·lb/s → Gigawatts ft·lb/s → Horsepower ft·lb/s → Metric HP ft·lb/s → BTU/hour ft·lb/s → BTU/minute ft·lb/s → kcal/hour