# Calculate with the Gravitational Constant

Calculators for the gravitational acceleration and the weight from gravitational constant, mass and radius. The gravitational constant G is a fundamental physical constant with a fixed value, which is known to four decimal places, ^{-11} m³ / ( kg * s² )

Round to decimal places.

Gravity is one of the four fundamental forces of physics. The other three are the electromagnetic force, the strong and the weak nuclear force or interaction. Of these, gravity is the weakest force, but in contrast to the two nuclear forces, it has a spatially unlimited effect, even if it becomes weaker with increasing distance. The contrast to the electromagnetic force is that gravity is always attractive, never repulsive. Therefore, on a small scale (with small masses), gravity is barely noticeable, but on a large scale, at astronomical distances, it has a dominant effect.

German: g-Beschleunigung