Concrete Calculator
Calculate the concrete volume needed for a slab.
Result
Results are estimates for general information only and are not professional advice.
Concrete volume
For a rectangular slab, concrete volume is length × width × thickness. This calculator returns the volume in cubic meters and cubic yards so you can order the right amount, with a little extra recommended for waste.
Frequently Asked Questions
What is the Concrete Calculator?
Calculate the concrete volume needed for a slab. It runs instantly in your browser and is completely free to use.
What do I need to enter to use the Concrete Calculator?
The Concrete Calculator asks for the following values (3): Length (m), Width (m), Thickness (cm). Fill them in and the result appears immediately — the calculation runs on your own device, so nothing you type is sent to a server.
How accurate is the Concrete Calculator?
The Concrete Calculator uses standard, widely-accepted formulas, so its figures are reliable estimates for everyday planning. They are not a substitute for advice from a qualified professional.
Is the Concrete Calculator free, and do I need an account?
Yes. The Concrete Calculator — and every other calculator on Calculatis — is completely free, with no registration, no download and no limit on how often you use it.