Planet Surface Gravity Calculator
Calculate Surface Gravity
g = GM/R^2
Formula
g = GM/R^2
Frequently Asked Questions
How is surface gravity calculated?
Surface gravity g = GM/R^2. In Earth units, g = M_planet/R_planet^2 times 9.81 m/s^2.
What is Earth surface gravity?
Earth surface gravity is 9.81 m/s^2, often approximated as 1g.
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