Concrete Calculator
Multiply length, width, and thickness (in feet) for cubic feet, then divide by 27 for cubic yards.
Concrete Calculator
Multiply length, width, and thickness (in feet) for cubic feet, then divide by 27 for cubic yards.
Method and assumptions
Figur converts the measurements you enter into area, volume, or material quantity using standard geometry formulas.
- Surfaces and depths are uniform unless you divide the project into separate sections.
- Waste allowance, manufacturer coverage, and package sizes should be checked before purchasing.
- Site conditions and installation requirements can change the final quantity.
Sources and references
No external data source is required: this calculator uses standard geometry formulas and the measurements you enter.
Frequently asked questions
Why cubic yards?
Concrete is usually sold and mixed by the cubic yard.
Should I add extra?
Order about 5–10% extra to cover spillage and uneven ground.