Science & Engineering
Density Calculator - Mass, Volume & Density Solver
Calculate density, mass, or volume using D = m/V. Supports metric and imperial units with common material density reference.
Leave one field blank - it will be calculated using D = m / V.
Common material densities
| Water (4°C) | 1000 kg/m³ |
| Sea water | 1025 kg/m³ |
| Air (20°C) | 1.204 kg/m³ |
| Aluminium | 2700 kg/m³ |
| Steel | 7850 kg/m³ |
| Iron | 7874 kg/m³ |
| Copper | 8960 kg/m³ |
| Gold | 19300 kg/m³ |
| Oak wood | 720 kg/m³ |
| Concrete | 2300 kg/m³ |
| Ice | 917 kg/m³ |
| Ethanol | 789 kg/m³ |
Density formula
D = m / V - density equals mass divided by volume. Rearranged: m = D × V and V = m / D.
Common density conversions
- 1 g/cm³ = 1 g/mL = 1 kg/L = 1000 kg/m³
- 1 lb/ft³ ≈ 16.018 kg/m³
Floating and sinking
An object floats in a fluid if its average density is less than the fluid density. Water has a density of 1000 kg/m³; objects denser than this sink.