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 the same unit as length before multiplying. Mixing inches and feet 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 the Building Regulations before ordering.