Calcifit
Concrete calculators for real-world projects
Calculations that fit your project.
Free, instant project calculators with live diagrams that respond to your measurements.
Browse concrete calculatorsPlanning tools
Concrete calculators
Choose the project shape or purchasing workflow that matches what you need to estimate.
- FlatworkOpen calculator
Concrete Slab Calculator
Calculate concrete volume for a rectangular slab.
- PurchasingOpen calculator
Concrete Bag Calculator
Estimate how many concrete bags are needed from a required volume and bag yield.
- Post settingOpen calculator
Concrete Post Hole Calculator
Calculate concrete for one or more cylindrical post holes.
- FoundationsOpen calculator
Concrete Footing Calculator
Estimate concrete volume for rectangular footings.
- StructuralOpen calculator
Concrete Column Calculator
Calculate concrete for rectangular or circular columns.
- StructuralOpen calculator
Concrete Wall Calculator
Estimate concrete volume for solid rectangular walls.
- StepsOpen calculator
Concrete Stairs Calculator
Calculate concrete for a solid straight staircase.
- FlatworkOpen calculator
Concrete Driveway Calculator
Estimate concrete volume for a rectangular driveway slab.
- EdgingOpen calculator
Concrete Curb Calculator
Calculate concrete for a straight rectangular curb.
- CircularOpen calculator
Concrete Circular Slab Calculator
Estimate concrete volume for a circular slab.
Practical by design
Plan without an account
- Calculations update directly in each calculator.
- US Customary and Metric measurement systems are supported.
- Results are planning estimates, not engineering or code approval.