Celsius heat units (IT) to joules converter above calculates how many joules are in 'X' Celsius heat units (IT) (where 'X' is the number of Celsius heat units (IT) to convert to joules). In order to convert a value from Celsius heat units (IT) to joules (from CHU to J) just type the number of CHU to be converted to J and then click on the 'convert' button.