# What is the meaning of m3 kg-1 s-2 in gravitational constant

1. Dec 19, 2011

### manvirsingh

what is the meaning of m3 kg-1 s-2 in gravitational constant

2. Dec 19, 2011

### JHamm

Force has units $kg\ m\ s^{-2}$, the units in the gravitational constant just make this come out.

3. Dec 19, 2011

### Staff: Mentor

Note that you can also write the units of G as $N\;m^2\;kg^-2$. This makes its role in Newton's law of gravitation even more obvious.