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Calcimator

Escape Velocity Calculator

Calculate escape velocity, orbital velocity, and gravitational parameters for celestial bodies.

Inputs

Earth Masses
Earth Radii
Earth Radii

Results

Escape Velocity

11.19 km/s

Orbital Velocity

7.91 km/s

Escape from Orbit11.19 km/s
Surface Gravity9.82 m/s²
Schwarzschild Radius0.009 m

Escape Velocity

11.19 km/s

Orbital Velocity

7.91 km/s

How to Use This Calculator
  1. Start by filling in the input fields below. Results update instantly as you type, so you can experiment with different values to see how they affect the outcome.
  2. Mass — Mass of celestial body Accepts values from 0.01 Earth Masses to 1,000 Earth Masses (default: 1 Earth Masses).
  3. Radius — Radius of celestial body Accepts values from 0.01 Earth Radii to 1,000 Earth Radii (default: 1 Earth Radii).
  4. Orbital Distance — Distance from center for orbital escape Accepts values from 1 Earth Radii to 1,000 Earth Radii (default: 1 Earth Radii).
  5. Once all inputs are set, review your results in the Results panel. Here's what each output means:
  6. Escape Velocity — shown as a numeric value. This is the primary result of this calculator.
  7. Orbital Velocity — shown as a numeric value. This is the primary result of this calculator.
  8. Escape from Orbit — shown as a numeric value.
  9. Surface Gravity — shown as a numeric value.
  10. Schwarzschild Radius — shown as a numeric value.
  11. Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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Formula

v_escape = √(2GM/r)

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