Escape Velocity Calculator

Calculate how fast you need to be going to get off of Earth or another planet based on its mass and radius.

Required Information

Results:

First Cosmic Velocity:

Escape velocity (ve):

What is Escape Velocity?

Escape velocity is a term that signifies how fast something must be going to be able to escape the gravitational field of a planet or object. This is critical to rockets being able to actually reach space and orbit.

Escape Velocity - Frequently Asked Questions

Earth's escape velocity is 25,000 mph.

You must reach 13 million miles to finally escape all of Earth's gravity.

You can not escape Earth if you are going any slower than 25,000 miles through the gravitational field of Earth.

Create Date: August 23, 2024

Last Modified Date: August 23, 2024