Gravitational force
Newton’s law F = G m₁ m₂ / r² in SI.
Calculator
How to use
Gravity
r is center-to-center distance.
Educational use only. Check signs, units, and modeling assumptions (e.g. flat Earth g, no air resistance unless stated).
Newton’s law F = G m₁ m₂ / r² in SI.
r is center-to-center distance.
Educational use only. Check signs, units, and modeling assumptions (e.g. flat Earth g, no air resistance unless stated).
Model / formula
F = G m₁ m₂ / r² (SI)
Result
9.8167e+3 N