Gigacalories to foot-pounds force converter on this page calculates how many foot-pounds force are in 'X' gigacalories (where 'X' is the number of gigacalories to convert to foot-pounds force). In order to convert a value from gigacalories to foot-pounds force (from Gcal to ft lbf) just type the number of Gcal to be converted to ft lbf and then click on the 'convert' button.