How many millihorsepower hour in 1 kilowatt hour? The answer is 1341.0221084257. We assume you are converting between millihorsepower hour and kilowatt hour. You can view more details on each measurement unit: millihorsepower hour or kilowatt hour The SI derived unit for energy is the joule. 1 joule is equal to 0.00037250614122937 millihorsepower hour, or 2.7777777777778E-7 kilowatt hour. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millihorsepower hours and kilowatt hours. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from kilowatt hour to millihorsepower hour, or enter any two units below:
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