# Number Density

Written by Jerry Ratzlaff on . Posted in Classical Mechanics

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

## Number Density formula

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

### Where:

 Units English Metric $$\large{ n }$$ = number density $$\large{ dimensionless }$$ $$\large{ N }$$ = total number of items $$\large{ dimensionless }$$ $$\large{ V }$$ = volume $$\large{ ft^3 }$$ $$\large{m^3}$$