Liter-atmosphere per minute to milliwatts conversion calculator shown above calculates how many milliwatts are in 'X' liter-atmosphere per minute (where 'X' is the number of liter-atmosphere per minute to convert to milliwatts). In order to convert a value from liter-atmosphere per minute to milliwatts (from L atm/min to mW) simply type the number of L atm/min to be converted to mW and then click on the 'convert' button.