Planet Surface Gravity
Calculate Planet Surface Gravity instantly with the exact formula and a worked example.
Planet Surface Gravity
Mass (M_Earth)
Radius (R_Earth)
g, m/s²
9.81
More about: Planet Surface Gravity
What it calculates
The “Planet Surface Gravity” calculator computes g, m/s² from 2 parameters: mass (m_earth), radius (r_earth).
An astronomy calculation for enthusiasts and scientists.
Example calculation
With parameters Mass (M_Earth) = 1, Radius (R_Earth) = 1 the result is 9.81.
How to use
- Enter mass (m_earth) and radius (r_earth) — each field above is adjustable with a slider.
- g, m/s² is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Planet Surface Gravity calculated?
The Planet Surface Gravity calculator computes g, m/s² from mass (m_earth), radius (r_earth). Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Planet Surface Gravity calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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