Picture of Earth showing if all Earth’s water (liquid, ice, freshwater, saline) was put into a sphere it would be about 860 miles (about 1,385 kilometers) in diameter.

Scientists calculate that the total mass of the oceans on Earth is 1.35 x 10 18 metric tons, which is 1/4400 the total mass of the Earth. In other words, while the oceans cover 71% of the Earth's ...

If it all fell as precipitation at once, the Earth would be covered with only about 1 inch of water. The 48 contiguous United States receives a total volume of about 4 mi3 (17.7 km3) of ...

The above image shows how big a sphere would be compared to Earth if it were made of all the Earth's water. It would have a diameter of about 860 miles and a volume around 332,500,000 cubic miles.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If Earth was the size of a basketball, all of its water would fit into a ping pong ball ...

About 70 percent of our planet’s surface is covered with water, and it plays an important role in our daily lives. But how did water get on Earth in the first place?

Most of Earth’s water, according to a new study, may actually be locked in a reservoir 400 miles underground. That Earth, for much of its history, has been covered by water isn’t much of surprise.

Look at Earth compared to other rocky planets in the neighborhood, and the first thing that would likely jump out is that there's A LOT of water. So how did 70 percent of our planet's surface ...