Terawatts to BTU (IT) per minute conversion calculator above calculates how many BTU (IT) per minute are in 'X' terawatts (where 'X' is the number of terawatts to convert to BTU (IT) per minute). In order to convert a value from terawatts to BTU (IT) per minute (from TW to BTU/min) type the number of TW to be converted to BTU/min and then click on the 'convert' button.