Foundation / Footing Calculator
Calculate concrete volume, excavation and ballast for foundation trenches and footings.
Concrete for a 3m by 1m footing at 40mm deep
For a footing measuring 3 metres by 1 metres at 40mm deep, this estimate includes concrete volume and ballast using the default foundation settings below.
- Concrete volume0.12 m³
- Including wastage0.13 m³
- Approx ballast needed0.23 tonnes
Results - Foundation / Footing Calculator
- Concrete volume0.12 m³
- Including wastage0.13 m³
- Approx ballast needed0.23 tonnes
How this footing calculator works
It multiplies length, width and depth to estimate concrete volume, then adds a sensible allowance for wastage and uneven trench conditions.
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