British thermal units (59 °F) to liter-atmosphere conversion calculator above calculates how many liter-atmosphere are in 'X' British thermal units (59 °F) (where 'X' is the number of British thermal units (59 °F) to convert to liter-atmosphere). In order to convert a value from British thermal units (59 °F) to liter-atmosphere simply type the number of British thermal units (59 °F) to be converted to L atm and then click on the 'convert' button.