Horsepower (electric) to calories per minute conversion calculator above calculates how many calories per minute are in 'X' horsepower (electric) (where 'X' is the number of horsepower (electric) to convert to calories per minute). In order to convert a value from horsepower (electric) to calories per minute (from hp to cal/min) just type the number of hp to be converted to cal/min and then click on the 'convert' button.