# What is Earth's spatial surface?

##### 1 Answer

Sep 14, 2017

#### Answer:

Total surface area of earth: 510,072,000 sq km

```
Total water surface area: 70.8% (361,132,000 sq km)
Total land surface area: 29.2% (148,940,000 sq km)
```

#### Explanation:

According to modern estimates, the surface area of the Earth is approximately 510 million square km

A nice detailed discussion of the non-spherical model calculations (with graphics) is here:

https://www.universetoday.com/25756/surface-area-of-the-earth/