Concrete & masonry
Concrete Slab Calculator
Your measurements : length, width, depth / thickness. Your estimate : volume, litres, cubic feet.
How the calculation works
Concrete Slab Calculator
Length × Width × Depth / thickness × Number of elements × (1 + Waste allowance / 100)Before you order
- Use the coverage, yield and dimensions printed on your product. Waste allowance is adjustable; real cuts and site conditions may change the order.
- Planning estimate only. This is not a structural design, a safety approval or a local code check.
Worked example
- Length
- 5 m
- Width
- 4 m
- Depth / thickness
- 0.1 m
- Number of elements
- 1
- Waste allowance
- 10 %
Volume 2.2 m³
Litres 2,200 L