# Number Density

Written by Jerry Ratzlaff on . Posted in Classical Mechanics

Number density, abbreviated as n, is the number of items per unit volume.

### Number Density formula

$$\large{ n = \frac {N}{V} }$$

Where:

$$\large{ n }$$ = number density

$$\large{ N }$$ = total number of items

$$\large{ V }$$ = volume