About this calculator

Volume = length × width × depth. Standard order waste factor: 5 % for a screeded slab, 10 % for uneven sub-base or strip foundations. Ready-mix is priced by m³ delivered; short loads (<3 m³) attract a small-load surcharge.

Frequently asked questions

What does the Concrete Volume Calculator do?

Cubic metres (or yards) of ready-mix concrete for a slab or foundation, including a waste factor. Volume = length × width × depth. Standard order waste factor: 5 % for a screeded slab, 10 % for uneven sub-base or strip foundations. Ready-mix is priced by m³ delivered; short loads (<3 m³) attract a small-load surcharge.

Is the Concrete Volume Calculator free to use?

Yes. Every calculator on Calcora is free, works in your browser without sign-up, and can be embedded on your own website.

How accurate is the Concrete Volume Calculator?

Results are calculated in real time using industry-standard formulas. Treat the output as a well-informed estimate — always cross-check with local regulations, product datasheets, or a qualified construction & building professional before committing to a purchase or a job.

What inputs does the Concrete Volume Calculator need?

Enter values for: Length, Width, Depth (mm), Length/width unit, Waste %, Price per m³ (€). Sensible defaults are pre-filled where possible so you can start with a single change.

Can I embed the Concrete Volume Calculator on my own website?

Yes — copy the iframe snippet at the bottom of this page, or use the Embed Generator to customise the size. The embedded version stays in sync with the live calculator on Calcora.