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