Gigajoules to inch-pounds force converter on this page calculates how many inch-pounds force are in 'X' gigajoules (where 'X' is the number of gigajoules to convert to inch-pounds force). In order to convert a value from gigajoules to inch-pounds force (from GJ to in lbf) type the number of GJ to be converted to in lbf and then click on the 'convert' button.