Why is Earth's escape velocity about 11.2 km/s?

This comes directly from Earth's mass and radius plugged into the formula — larger or denser bodies require higher escape velocities, which is why escaping the Sun's gravity requires a much higher speed than escaping Earth's.

Escape Velocity Calculator

Calculate the minimum speed an object needs to escape a celestial body's gravity without further propulsion, based on the body's mass and radius.

Inputs

Results

Escape Velocity: 11,186 m/s

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Formula

v = √(2GM / r), where G is the gravitational constant

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Fluid and Motion Physics: Buoyancy, Terminal Velocity, and Reynolds Number

Buoyancy force, terminal velocity, escape velocity, and Reynolds number — four calculations describing how objects move through fluids and gravity fields.

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