Kilojoules to inch-pounds force conversion calculator shown above calculates how many inch-pounds force are in 'X' kilojoules (where 'X' is the number of kilojoules to convert to inch-pounds force). In order to convert a value from kilojoules to inch-pounds force (from kJ to in lbf) just type the number of kJ to be converted to in lbf and then click on the 'convert' button.