International Space Station (ISS) is 356 feet (109 meters) end-to-end, roughly the size of an American football field. According to NASA, its living and working space is larger than six-bedroom house with six sleeping quarters, two bathrooms, a gym, and 360-degree view bay window. ISS weighs around 420 tons (419,725 kilograms) and has a habitable volume of 13,696 cubic feet.