Hmmm... The total surface area of the Earth would be 510,072,000 km², this is including both the land and ocean. However, the total surface area of land on Earth is 148,940,000 km². That is around 29.2 % land and 70.8% ocean. To put things into perspective, the total surface area of the Earth is equivilant to 97,457,777,777.77 football fields (I think...) Anyway, I hope that helps.
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Cuba has a total land area of approximately 42,426 square miles. To convert this to acres, we can use the fact that one square mile is equal to 640 acres. Therefore, the total land area of Cuba is roughly 27,129,600 acres.
Australia has a total land area of approximately 7.7 million square kilometers. To convert this to square meters, you would multiply by 1,000,000 (since there are 1,000,000 square meters in a square kilometer). Therefore, Australia has a total land area of approximately 7.7 trillion square meters.
Approximately one-fourth of the Earth's surface is covered with land, while about three-fourths is covered with water. The landmasses are distributed unevenly across the planet, with the majority of land concentrated in the Northern Hemisphere. The Pacific Ocean alone covers more than half of the Earth's water surface area.
its the total pop/total land mass 198,739,269people/851,487square km 23.34023956
it covers about 193