how big is lake superior

Lake Superior is the largest freshwater lake in the world by surface area, spanning about 31,700 square miles (82,100 square kilometers). It has a maximum length of 350 miles (563 kilometers) and a maximum width of 160 miles (258 kilometers). The lake holds approximately 2,900 cubic miles (12,100 cubic kilometers) of water, making it the third largest freshwater lake by volume. Its average depth is around 483 feet (147 meters), with a maximum depth of 1,332 feet (406 meters).