Concrete
Concrete calculators and estimating guides
Every tool on this page uses the same engine: measure, convert, add waste, order. The guides explain the numbers so you can defend your estimate.
- 5
- Interactive calculators
- 7
- In-depth guides
- 2,400
- kg/m³ design density
- 10%
- Standard waste allowance
Calculators
Concrete CalculatorVolume, weight and bags for any rectangular pour.CalculatorConcrete Slab CalculatorPatios, garage floors, shed bases and driveways.CalculatorConcrete Footing CalculatorStrip footings by total run, width and depth.CalculatorConcrete Wall CalculatorFoundation and retaining walls, minus openings.CalculatorConcrete Column CalculatorRound sonotubes and square piers, any count.Calculator
Guides & references
- How to Calculate ConcreteThe full method: measure, convert, add waste, order.
- Concrete Cost GuideReady-mix, bagged and delivered prices with real math.
- Concrete Density ChartUnit weights for every common concrete type.
- Concrete Coverage GuideWhat a yard — or a bag — actually covers.
- Concrete Mix Ratio GuideNominal mixes from 1:3:6 to 1:1:2, with yields.
- Concrete Curing GuideStrength gain timeline and curing methods that work.
- Concrete vs AsphaltCost, lifespan and maintenance compared honestly.
Not sure where to start?
The general concrete calculator handles any rectangular pour and links out to every guide.