Density Formula
ρ = m / V
What it means
Density is mass per unit volume. Use it to identify materials, work out whether something floats, or convert between mass and volume.
Variables
| Symbol | Quantity | SI unit |
|---|---|---|
ρ | density | kg/m³ |
m | mass | kg |
V | volume | m³ |
Worked example
Given m = 20 kg, V = 4 m³, solve for ρ:
ρ = 5 kg/m³