The estimated total amount of water on Earth is 333
million cubic miles. Of the fresh water that accounts for the 2.5% which is equal
to 8.325 million cubic miles, 30.1 % is groundwater, 1.2% is stored in rivers
and lakes, and 68.7% is found in glaciers and icecaps. These translate to the
amount of 2.5 million cubic miles, 0.0999 million miles, and 5.72 million
miles, respectively.
