Planet Gravity Calculator
Calculate surface gravitational acceleration of a planet from its mass and radius.
How to Use the Planet Gravity Calculator
- Enter the planet mass in kilograms.
- Enter the planet radius in metres.
- Click Calculate.
- Review surface gravity in m/s² and relative to Earth.
Casi d'Uso
- •Exoplanet research
- •Planetary science
- •Space exploration planning
Formula
g = GM / r²
Domande Frequenti
How accurate is this calculator?
Results are based on standard scientific formulas and are suitable for preliminary estimates.
What units are used?
SI units (metres, kg, seconds) are used unless otherwise noted.
Is it free?
Yes, all calculators are completely free.