Watts to Celsius heat units (IT) per minute conversion calculator above calculates how many Celsius heat units (IT) per minute are in 'X' watts (where 'X' is the number of watts to convert to Celsius heat units (IT) per minute). In order to convert a value from watts to Celsius heat units (IT) per minute (from W to CHU/min) simply type the number of W to be converted to CHU/min and then click on the 'convert' button.