Escape Velocity

Calculate escape velocity from multiple technical inputs.

How this calculator works

Enter body mass (kg), distance from center (m), initial velocity (m/s). CalcStack applies the displayed formula and reports each intermediate planning value with the units shown.

Formula / method

Escape velocity = √(2GM ÷ r)

Worked example

Use the documented default inputs to model escape velocity.

Assumptions and limitations

Inputs represent stable average operating conditions and the displayed equation applies.

This is a planning model; real systems and measurements can require domain-specific corrections.