Megawatt hours to liter-atmosphere converter above calculates how many liter-atmosphere are in 'X' megawatt hours (where 'X' is the number of megawatt hours to convert to liter-atmosphere). In order to convert a value from megawatt hours to liter-atmosphere (from MWh to L atm) just type the number of MWh to be converted to L atm and then click on the 'convert' button.