Lake Superior has a surface area of 31,700 square miles (82,103 km2),[1] which is approximately the size of South Carolina. It has a maximum length of 350 statute miles (560 km; 300 nmi) and maximum breadth of 160 statute miles (257 km; 139 nmi).[2] Its average depth is 80.5 fathoms (483 ft; 147 m) with a maximum depth of 222 fathoms (1,332 ft; 406 m).[1][2][3] Lake Superior contains 2,900 cubic miles (12,100 km³) of water.[1] There is enough water in Lake Superior to cover the entire land mass of North and South America to a depth of 30 centimetres (12 in).[12] The shoreline of the lake stretches 2,726 miles (4,387 km) (including islands).[1]

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