basic

Gravitational Field Strength at Altitude Calculator

g at altitude h above Earth's surface.

Calculates gravitational field strength g(h) = GM / (R+h)² at an altitude h above Earth's surface, where GM = 3.986×10¹⁴ m³/s² and R = 6.371×10⁶ m.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

m

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

g(h) = GM / (R + h)²

In depth

Calculates gravitational field strength g(h) = GM / (R+h)² at an altitude h above Earth's surface, where GM = 3.986×10¹⁴ m³/s² and R = 6.371×10⁶ m.