Lusec to kilocalories per second converter above calculates how many kilocalories per second are in 'X' lusec (where 'X' is the number of lusec to convert to kilocalories per second). In order to convert a value from lusec to kilocalories per second (from lusec to kcal/s) just type the number of lusec to be converted to kcal/s and then click on the 'convert' button.