How big is the Mariana Trench?

10.9 km deep · 6.8 mi

The Challenger Deep is about 10.9 kilometers below sea level.

Mount Everest 8.8 km

Mariana Trench 10.9 km

Mariana Trench next to mount everest, drawn to scale.

Compared with things you know

The Mariana Trench is about 13× the height of the Burj Khalifa Burj Khalifa: 828 m
The Mariana Trench is about 8.5× the length of the Golden Gate Bridge main span Golden Gate Bridge main span: 1.3 km
The Mariana Trench is about 1.2× the height of Mount Everest Mount Everest: 8.8 km
The Mariana Trench is about 1/2.0 the length of Manhattan Manhattan: 21.6 km

Think you could size it by eye? The Mariana Trench is one of the objects in Sizedle.