Quarter Pounder +
The Quarter Pounder is a hamburger sold by international fast food chain McDonald's, so named for containing a patty with a precooked weight of a quarter of a pound (113.4 g). It was first introduced in 1971. In 2013, the Quarter Pounder was expanded to represent a whole line of hamburgers that replaced the company's discontinued Angus hamburger. In 2015, McDonald's increased the precooked weight to 4.25 oz (120.5 g).