Concrete Calculator
Estimate the amount of concrete required for slabs, pads, sidewalks, garage floors, patios, shed bases, barn floors and foundations. Results include cubic metres, cubic yards, cubic feet, ready-mix truck estimates and bag quantities.
Dimensions
Results
Recommendation
Enter the slab dimensions and click Calculate to determine the amount of concrete required.
About This Calculator
This calculator estimates the amount of concrete required for residential, agricultural and commercial projects across Canada. Results are estimates only and should be confirmed with your concrete supplier before ordering.
Ordering an additional 5–10% is recommended to account for uneven ground, spillage and finishing.
Frequently Asked Questions
How much extra concrete should I order?
Most contractors recommend ordering approximately 10% extra to avoid running short during the pour.
What is a standard driveway thickness?
Residential driveways are commonly poured at 4 to 6 inches depending on the expected load.