Water, Water Everywhere
Updated July 24, 2020 |
Infoplease Staff
The Question:
Do you know the percentage of the earth's surface covered by water?
The Answer:
About 70.8% of the Earth's surface is covered by water. Here's the breakdown on land and water versus total area.
- Total area: 510.072 million sq km (196.93 million sq mi.).
- Land area: 148.94 million sq km (57.50 sq mi.).
- Water area: 361.132 million sq km (139.43 sq mi.).
- Comparative area: land area about 15 times the size of the United States.
For further statistics, see our Profile of the World.
-The Editors
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