Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Construction
Concrete Volume Calculator
Find out exactly how many cubic yards of concrete you need for a slab, footing, or pad. Accounts for thickness and a configurable waste allowance so you never fall short on pour day.
Fill in the required fields to see your result.
Construction
Concrete Volume Calculator
Estimate how many cubic metres of concrete to order for a rectangular slab, footing, or path. Multiply length × width × depth for the in-place volume — add a 5–10% waste allowance before placing the order.
Fill in the required fields to see your result.
Key differences
| Concrete Volume Calculator | Concrete Volume Calculator | |
|---|---|---|
| Category | Construction | Construction |
| Inputs required | 5 | 3 |
| Result | Concrete Bags Needed (bags) | Concrete Volume Needed (m³) |
| What it does | Find out exactly how many cubic yards of concrete you need for a slab, footing, or pad. Accounts for thickness and a configurable waste allowance so you never fall short on pour day. | Estimate how many cubic metres of concrete to order for a rectangular slab, footing, or path. Multiply length × width × depth for the in-place volume — add a 5–10% waste allowance before placing the order. |