g com Altitude
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
g(h)
About this calculator
The gravitational acceleration calculator with altitude helps calculate the gravitational acceleration (g) at different altitudes above the surface of the Earth.
This is done using the formula g = g₀·(R/(R+h))², where g₀ is the standard gravitational acceleration at the surface of the Earth, R is the Earth's radius and h is the altitude above the surface.
The calculator is useful in cases where the altitude is significant, such as in flights, observation platforms or high-rise constructions. Additionally, it is important to keep in mind that gravitational acceleration decreases as altitude increases.
It is worth noting that the accuracy of the calculator depends on the accuracy of the values used for g₀, R and h. Please ensure using correct values to obtain accurate results.
Frequently asked questions
What is gravitational acceleration?
Gravitational acceleration is the force of attraction between the Earth and an object in its gravitational field. It is measured in units of acceleration, such as meters per second squared (m/s²).
Why does gravitational acceleration decrease as altitude increases?
This occurs because the force of attraction between the Earth and the object is proportional to the distance between them. The greater the altitude, the weaker the force of attraction and the smaller the gravitational acceleration.
When should I use the gravitational acceleration calculator with altitude?
Use the calculator in cases where altitude is significant, such as in flights, observation platforms or high-rise constructions.
How can I improve the accuracy of the calculator?
Ensure you are using correct values for g₀, R and h. Additionally, verify the accuracy of the formula used and adjust it if necessary.
Can I use the calculator in other situations?
Yes, the calculator can be used in other situations where gravitational acceleration is relevant, such as in engineering, physics or environmental sciences.