Trowla

Concrete Slab Calculator

Estimate the concrete for a slab in cubic yards, then price the ready-mix and finishing labor into a client quote.

Built for contractors, not spreadsheets

1.96 cubic yards — Ready-mix concrete

Build a priced estimate

Material prices are your cost — add a markup. Your labor rate is what you bill the client. Saved on this device.

Add your company details

Optional — puts your company on branded PDF quotes and unlocks your saved dashboard. Everything stays on your device.

Frequently asked questions

How do I calculate concrete for a slab?

Multiply length x width x thickness (in feet) and divide by 27 for cubic yards, then add waste. This calculator does it and prices it.