About this calculator
Volume in cubic metres, which is how concrete, soil and aggregates are sold in bulk, plus every other common unit.
How it’s calculated
Cubic metres = L × W × D in metres. Cylinder: π × r² × height.
Worked example
With these inputs:
- Shape
- Box / rectangle
- Length / height
- 3 m
- Width
- 3 m
- Depth / diameter
- 150 mm
- Quantity
- 1
the result is:
- Volume
- 1.35 m³
- Cubic yards
- 1.766
- Cubic feet
- 47.67
- Cubic metres
- 1.35
- Litres
- 1,350
Tips from the trade
- Convert depth to metres before multiplying. Mixing millimetres and metres is the most common mistake.
Common questions
How many litres in a cubic metre?
1,000.
Results are estimates for planning and pricing. Check quantities against your drawings, the manufacturer’s data and SANS 10400 (the National Building Regulations) and your local municipality before ordering.