More than 70% of earth's surface. It is the biggest body of waters being it's the Pacific Ocean, taking up over one-third of the globe's surface. The oceans are found on Earth have been estimated to be comprised of a total size that is 0.3 billion cubic miles (1.332 billion cubic kilometers) and an average depth of 12,080.7 feet (3,682.2 meters). However, the different bodies of water that comprise the total ocean space are distinct in their own ways and vary in size from the vast Pacific and the busy self-contained Mediterranean These are the 10 most massive oceans and seas in the world, determined by the surface size in sq miles (square kilometers)
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