Density of Water (1 kg in 0.001 m³)
Pure water with a mass of 1 kg and volume of 0.001 m³ (1 liter) has a density of 1000 kg/m³.
How to use this tool
- Enter mass, volume and density (if known) in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your density and the full breakdown beneath it.
Confirm the well-known density of water by calculating mass divided by volume for 1 kg per liter.
Frequently asked questions
- What is the density of common materials?
- Water: 1000 kg/m³, aluminium: ~2700, steel: ~7800–8000, gold: ~19,300, air: ~1.2 kg/m³ at sea level.
- How do I convert g/cm³ to kg/m³?
- Multiply by 1000. So 2.7 g/cm³ (aluminium) = 2700 kg/m³.