Concrete Volume

Rectangular slab or footing volume with a waste percentage.

Units convert to cubic metres. This is not a structural mix design.

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construction

Calculation Result

Calculated Result

3.15 m³

Rectangular volume converted to cubic metres, then increased by the waste percentage.

Summary Breakdown

Net volume

3 m³

With waste

3.15 m³

This is a quantity estimate, not structural engineering, mix design or site advice.

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Calculation Formula & Methodology

Volume = L × W × D, then × (1 + waste/100).

All arithmetic is processed locally in your browser session using IEEE 754 precision with boundary checks.

Scenario: 5 × 4 × 0.15 m, 5% waste.

Calculated Outcome: 3.15 m³.

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Rectangular slab or footing volume with a waste percentage. Always read the formula and assumptions on the page before relying on a figure.

No. OmniCalc runs the math in your browser from the inputs you provide. Laws, lender policies and medical guidance are not applied automatically.

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Rectangle, triangle or circle area in the units you enter.

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