How much water is earth covered in?

70%

75.5% of water covers the earth 2.5% is freash

Approximately 75% of the Earth's surface is covered by saltwater oceans.

About 15% of water,and100% of land.

Land covers 29.22 percent of the Earth's surface. This is about 57.5 million square miles (149 x 106 square kilometers). Water covers the other 70.78 percent of the Earth's surface. This is about...