What Is the Biggest Ocean in the World?
The Pacific Ocean is the world’s largest ocean. With an area of 63.8 million square miles, or 165.25 million square kilometers, it covers around a third of the Earth’s total area, more than all the land in the world.
The second largest ocean, the Atlantic Ocean, has an area of 31.8 million square miles, or 82.4 million square kilometers, roughly half of the size of the Pacific.
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