How Much Water is on Earth, by Volume
Volume of Earth: | 260 Billion Cubic Miles |
Volume of All Water: | 337 Million Cubic Miles |
Water volume as percentage of Earth: | About 1/8th of 1% |
Water on Earth by Diameter of Sphere
Earth | 7,918 Miles |
All Earth’s water | 860 Miles |
All Earth’s liquid fresh water | 170 miles |
All Earth’s water in lakes and rivers | 35 miles |
How can this be?
Proportionally, Earth’s oceans are like thin onion skins of water, covering about 70% of the Earth’s surface.Maximum Depth of Oceans = 7 Miles
(about 1/10th of 1% of Earth’s Diameter)
Average Depth of Oceans = 2.4 Miles
(about 1/30th of 1% of Earth’s Diameter)
Average Depth of Great Lakes = 300 Feet
(about 1/1000th of 1% of Earth’s Diameter)
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