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