Burger size increase! 1955 McDonald hamburger 1.6 Oz. 2012 Largest burger 8 Oz.
And lastly, think of the size of the average burger. In 1955, when McDonald’s first introduced its hamburger, that burger weighed 1.6 ounces. Today, its largest hamburger weighs eight ounces. And in the highly competitive fast food industry, comparatively speaking, the Big Mac isn’t even really that big any more.