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