Gallon-atmosphere (US) to liter-atmosphere conversion calculator shown above calculates how many liter-atmosphere are in 'X' gallon-atmosphere (US) (where 'X' is the number of gallon-atmosphere (US) to convert to liter-atmosphere). In order to convert a value from gallon-atmosphere (US) to liter-atmosphere (from gal atm to L atm) just type the number of gal atm to be converted to L atm and then click on the 'convert' button.