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