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