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Surface Area of Earth: 510,072,000 square kilometres (total) or 200,000,000 (two hundred million) square miles.

149,000,000 square kilometres (land only).

510,065,600 km2 (see related link) of which 148,939,100 km2 (29.2 %) is land and 361,126,400 km2 (70.8 %) is water.

The Earth's land surface can be divided into different types: 20% covered by snow, 20% mountains, 20% dry land, 30% good land that can be farmed, 10% land that doesn't have topsoil.

(See related link for graphical representation)

Note: The above values are approximations. The Earth is covered in "bumps, lumps, and valleys" which increase the usable surface area. The more accurately they are measured, the larger the surface area of the Earth appears. So if one were to measure so accurately as to be taking the 'bumpiness' of individual molecules into account, then the eventual "surface area" of the Earth would be significantly larger than the above answer.

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10y ago

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