Kg To M3 Calculator 2026
Instantly convert kilograms to cubic meters, liters, and cubic feet based on material density. Perfect for construction, shipping, science, and engineering.
Mass to Volume
Enter your mass and select a material to calculate the volume in cubic meters
Enter the mass in kilograms to convert to volume.
Select a common material or choose ‘Custom Density’ to enter your own.
Choose how many decimal places to display for the results.
Volume Results
Cubic meters, liters, and other volume units
Enter your mass and select a material above, then click Convert to M3 to see the volume results.
Common Material Densities
Use this chart to quickly see the density of common materials and how much volume 1000 kg (1 tonne) of each material would occupy.
| Material | Density (kg/m³) | Volume of 1000kg | Common Use |
|---|---|---|---|
| Water | 1000 | 1.000 m³ | Liquids / Hydration |
| Concrete | 2400 | 0.417 m³ | Construction / Foundations |
| Steel | 7850 | 0.127 m³ | Structural beams / Reinforcement |
| Wood (Oak) | 700 | 1.429 m³ | Furniture / Lumber |
| Aluminum | 2700 | 0.370 m³ | Automotive / Aerospace |
| Soil (Loam) | 1500 | 0.667 m³ | Landscaping / Gardening |
| Air | 1.225 | 816.327 m³ | HVAC / Aerodynamics |
| Gold | 19300 | 0.052 m³ | Precious metals / Bullion |
Mass to Volume FAQ
Everything you need to know about converting kilograms to cubic meters, understanding density, and calculating volume.
To convert kilograms to cubic meters, you must divide the mass in kilograms by the density of the material in kg/m³. The formula is: Volume (m³) = Mass (kg) ÷ Density (kg/m³).
Kilograms measure mass (how much matter is in an object), while cubic meters measure volume (how much space it takes up). Different materials have different densities, meaning 100 kg of lead takes up much less space than 100 kg of feathers. Density is the bridge between mass and volume.
The density of pure water at 4°C is exactly 1000 kg/m³. This means 1000 kilograms of water occupies exactly 1 cubic meter of space, or 1000 liters.
There are exactly 1000 liters in one cubic meter. A liter is defined as one cubic decimeter (dm³), and since there are 10 decimeters in a meter, a cubic meter contains 10 × 10 × 10 = 1000 cubic decimeters (liters).
No, it is impossible to convert kilograms to cubic meters without knowing the density of the specific material. Mass and volume are fundamentally different properties, and the conversion factor depends entirely on how tightly packed the matter is.
The formula to find volume when you know mass and density is: Volume = Mass ÷ Density. In standard metric units, this is: Cubic Meters (m³) = Kilograms (kg) ÷ Density (kg/m³).