What you provide
What you provide
- Source mass expressed in kg, using the same scenario as the other inputs
- Distance from center expressed in m, using the same scenario as the other inputs
PHYSICS / GRAVITATION
Gravitational Field Strength Calculator
Calculate gravitational field magnitude outside a spherical source mass. See the governing equation, substituted values, result, assumptions, and interpretation in one guided workspace.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Calculate gravitational field magnitude outside a spherical source mass. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
Calculation path
g=GM/r^2
What you receive
What you receive
- Field strength in N/kg from the stated equation
- A symbolic formula plus substituted working with your values
- Visible assumptions, field guidance, and an authoritative learning reference
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
The source is point-like or spherically symmetric and the location lies outside its relevant mass distribution.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors