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