Escape Velocity Calculator

Calculate the minimum velocity needed to escape a body's gravity using v = √(2GM/r). Click any preset body or enter custom values.

Preset Bodies (click to use)

Earth11.2 km/s

Moon2.38 km/s

Mars5.03 km/s

Jupiter59.5 km/s

Sun617.5 km/s

Venus10.36 km/s

Custom Body

Mass (M)

Mass Unit

Radius (R)

Radius Unit