This calculator allows you to convert from Kilocalorie (th)/second to Kilojoule/hour and in a reverse direction. To convert from Kilocalorie (th)/second to Kilojoule/hour, enter the amount of Kilocalorie (th)/second into the first input and to convert from Kilojoule/hour to Kilocalorie (th)/second, enter the amount of Kilojoule/hour into the second input.