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How much of the water on earth is salt?

Updated: 11/28/2022
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10y ago

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The total volume of water on Earth is estimated at 1.386 billion km³ (333 million cubic miles).

About 97.5% of water on Earth is salt water and 2.5% fresh water.

Of the 2.5% fresh water, only 0.3% is in liquid form on the surface.

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Waldo Mayer

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Q: How much of the water on earth is salt?
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