Lusec to BTU (IT) per hour converter on this page calculates how many BTU (IT) per hour are in 'X' lusec (where 'X' is the number of lusec to convert to BTU (IT) per hour). In order to convert a value from lusec to BTU (IT) per hour (from lusec to BTU/h) simply type the number of lusec to be converted to BTU/h and then click on the 'convert' button.