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