There are five Oceans in the world which is about 71% of the Earth. The total ocean area in our world is 335,258,000 sq km. measurement detail of each ocean in meters, square kilometers and oceans’ depth points with their size are presented in the following table:
| Name of Ocean | Size in Meter | Size in Sq. Km | Depths points and their size |
| Pacific Ocean | 10,924 | 155,557,000 | Mariana Trench at 35,827 feet |
| Atlantic Ocean | 9,219 | 76,762,000 | Puerto Rico Trench at 30,246feet |
| Indian Ocean | 7,455 | 68,556,000 | Java Trench at 24,460feet |
| Southern Ocean | 7,236 | 20,327,000 | Southern Ocean at 23,737feet |
| Arctic Ocean | 5,625 | 14,056,000 | Arctic Basin at 18,456feet |
Note:
Mariana trench placed in the east at the point of Pacific Ocean. Mariana trench is the world deepest point it is measured by a British Survey ship in 1951.
The organization that approves oceans is the International Hydrographic Organization.
Sources:
Children of the stars, our origin, Evolution and Destiny, Daniel R. Altschuler, Cambridge University Press
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