<P> `` Land mass '' refers to the total surface area of the land of a geographical region or country ( which may include discontinuous pieces of land such as islands ) . It is written as two words to distinguish it from the usage `` landmass '' , the contiguous area of land surrounded by ocean . Earth 's total land mass is approximately 148,939,063.133 km ( 57,505,693.767 sq mi ) which is about 29.2 % of its total surface . Water covers approximately 70.8 % of Earth 's surface , mainly in the form of oceans and ice formations . </P>
<P> `` Land mass '' refers to the total surface area of the land of a geographical region or country ( which may include discontinuous pieces of land such as islands ) . It is written as two words to distinguish it from the usage `` landmass '' , the contiguous area of land surrounded by ocean . Earth 's total land mass is approximately 148,939,063.133 km ( 57,505,693.767 sq mi ) which is about 29.2 % of its total surface . Water covers approximately 70.8 % of Earth 's surface , mainly in the form of oceans and ice formations . </P>
how much area of the earth is covered with land
how much area of the earth is covered with land
about 29.2 %
about 29.2 %