Liter-atmosphere per second to calories per second conversion calculator above calculates how many calories per second are in 'X' liter-atmosphere per second (where 'X' is the number of liter-atmosphere per second to convert to calories per second). In order to convert a value from liter-atmosphere per second to calories per second (from L atm/s to cal/s) just type the number of L atm/s to be converted to cal/s and then click on the 'convert' button.