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Slab Calculator
Use this slab calculator to estimate concrete volume and materials for a slab.
Formula: Length x Width x Thickness
Example
Formula: Length x Width x Thickness = 6 m x 4 m x 0.1 m = 2.40 m³
Select length, width, and thickness units, then the result will be in m³.
Tip: Choose your result unit on the right before calculating.
Step-by-step calculation
- Enter slab length, width, and thickness with units.
- Select the result unit you want (m³).
- Calculate to see slab volume and steps in the selected unit.
FAQ
- Why use meters?
- Concrete suppliers use cubic meters.
- Should I add extra?
- Add 5–10% for waste and uneven ground.