ConcreteYard tools
Concrete and aggregate calculators
Pick the calculation that matches your pour or purchasing question. Each tool shows its volume, chosen allowance, and assumptions.
Concrete calculator
Compare common shapes and see volume, allowance, and bag equivalents.
OPEN CALCULATOR ↗Concrete slab calculator
Estimate slabs, patios, driveways, and rectangular pads.
OPEN CALCULATOR ↗Concrete cost calculator
Price material at your own ready-mix or bag quote.
OPEN CALCULATOR ↗Concrete bag calculator
Convert concrete volume into bags using editable product yields.
OPEN CALCULATOR ↗Concrete footing calculator
Estimate rectangular strip footing volume from plan dimensions.
OPEN CALCULATOR ↗Post-hole concrete calculator
Subtract a round post occupying the entered concrete depth.
OPEN CALCULATOR ↗Sonotube concrete calculator
Estimate concrete for cylindrical forms and multiple tubes.
OPEN CALCULATOR ↗Gravel calculator
Estimate aggregate volume and an optional mass from supplier density.
Use dimensions from your project
These tools estimate quantities from measurements you enter. They do not size foundations, slabs, reinforcement, or structural details. Confirm the project dimensions and material yield with your plans and supplier.
Read how calculations are handled ↗Need a quick reference? Learn how much a yard of concrete weighs ↗ before comparing volume and mass.