What is the gravitational constant?

The gravitational constant describes the intrinsic force of gravity, and can be used to calculate the gravitational force between two objects.

Also known as “Big G” or Jthe gravitational constant was first defined by Isaac Newton in the universal law of gravitation formulated in 1680. It is one of the fundamental constants of nature, with a With a value (6.6743 ± 0.00015) x10^–11 m^3 kg^–1 s^–2 (Opens in a new tab).