Verge & Vortex
Concrete Volume Calculator
Use this for a simple rectangular pad or path when you already know the size and thickness you are considering. It does not specify reinforcing, thickness for vehicles, or whether a slab is suitable.
Important check
Measure your area at least twice before making a decision.
The calculator provides a mathematical quantity based on the measurements you enter and shows a separate planning allowance. It does not replace your actual measurements, judgement or site assessment.
Cuts, breakage, waste, uneven areas, obstacles and the products you choose may mean more material is required. Some projects may require more than the planning estimate.
What this calculation means
Convert length, width and thickness into cubic metres so you can talk to a supplier with a measured figure.
No material prices are shown. The mathematical result is not a guaranteed purchasing requirement. Site conditions can change what you actually need.