Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
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.
Construction
Paint Coverage Calculator
Calculate how many litres of paint you need for a job, given the area to cover, the number of coats, and the spread rate of your specific paint. Lets you order the right amount without overspending on excess or running short mid-coat.
Fill in the required fields to see your result.
Key differences
| Concrete Volume Calculator | Paint Coverage Calculator | |
|---|---|---|
| Category | Construction | Construction |
| Inputs required | 3 | 3 |
| Result | Concrete Volume Needed (m³) | Paint Required (liters) |
| What it does | 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. | Calculate how many litres of paint you need for a job, given the area to cover, the number of coats, and the spread rate of your specific paint. Lets you order the right amount without overspending on excess or running short mid-coat. |