# Cubic Yard Concrete

> Browser-only concrete volume and premix bag estimates. Estimates only; not construction, commercial or tax advice.

## Calculators
- [Concrete yard calculator](https://cubicyardconcrete.com/): Calculate concrete yards for one or more slabs. Get cubic feet, cubic yards, cubic meters, whole bags, adjustable waste and an optional material cost estimate.
- [Concrete column calculator](https://cubicyardconcrete.com/columns/): Estimate concrete for solid round columns and tube forms using diameter, height and count. Compare cubic yards and typical concrete bag quantities with waste.
- [Concrete footing calculator](https://cubicyardconcrete.com/footings/): Calculate concrete for a continuous strip footing from its total length, width and depth. View cubic yards, cubic feet, cubic meters, bags and optional material cost.
- [Concrete steps calculator](https://cubicyardconcrete.com/steps/): Estimate a solid concrete stair pour from tread count, tread depth, riser height, width and optional base thickness. Includes the explicit stepped-volume formula.
- [Concrete wall calculator](https://cubicyardconcrete.com/walls/): Calculate concrete for a solid wall using length, height and thickness. Estimate cubic yards, bags, waste allowance and optional material cost without a server.
- [Concrete bag calculator](https://cubicyardconcrete.com/bags/): Convert concrete yards or slab dimensions into 80, 60 and 40 lb premix bag quantities. Compare bag material cost with a ready-mix quote and adjustable waste.

## Site information
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## Assumptions
1 yd³ = 27 ft³. 1 ft³ = 0.028316846592 m³. Waste defaults to 10%, adjustable 0–30%. Typical bag yields: 80 lb 0.60 ft³, 60 lb 0.45 ft³, 40 lb 0.30 ft³; use actual package labels. Costs exclude delivery, tax, labor, short-load fees and equipment.