Concrete for a 4m x 6m Carport Slab, 10 cm Thick
A 4m x 6m carport concrete slab at 10 cm thickness requires exactly 2.4 cubic metres of concrete.
How to use this tool
- Enter slab length, slab width and slab thickness in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your concrete volume and the full breakdown beneath it.
Calculate the concrete volume for a single-car carport slab measuring 4m x 6m at the standard 10 cm depth.
Frequently asked questions
- How many bags of concrete do I need for a slab?
- Calculate volume in m³ = length × width × thickness (m). A 20 kg bag covers about 0.01 m³, so divide your volume by 0.01 and round up.