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Concrete Volume Calculator
Estimate concrete volume with a transparent waste allowance.
Enter your values
Your inputs are processed locally. Review the method and limitations before relying on the estimate.
Your result
Worked example
A 4 m × 3 m × 12 cm slab has 1.44 m³ geometric volume; at 7% waste, estimate 1.5408 m³.
Frequently asked questions
Does this specify a concrete mix?
No. Mix selection and structural requirements need project-specific design.
Why include waste?
Real projects may lose volume through spillage and uneven surfaces; choose an allowance appropriate to your job.