Ergs per hour to microwatts conversion calculator shown above calculates how many microwatts are in 'X' ergs per hour (where 'X' is the number of ergs per hour to convert to microwatts). In order to convert a value from ergs per hour to microwatts (from erg/h to μW) simply type the number of erg/h to be converted to μW and then click on the 'convert' button.