Cubic yards

Concrete Yard Calculator

Calculate cubic yards for ready-mix orders and larger concrete jobs.

US units 10% default waste Bag and yard estimates

Concrete estimate

Enter dimensions

Estimates are for planning and ordering only.
Bag counts are rounded up to whole bags.
Ready-mix yards are rounded up to the nearest 0.25 cubic yard.
Default waste is 10%. Increase it for uneven excavation, spillage, or complex forms.
Verify structural work with a contractor, engineer, or supplier before pouring.

Concrete volume starts in cubic feet. Divide cubic feet by 27 to convert to cubic yards.

Ready-mix orders are often discussed in yards, so this page rounds the order estimate up to the nearest quarter yard after waste.

Concrete mix Rebar Tube forms Mixing tools Trowels and floats

How many cubic feet are in a cubic yard?

There are 27 cubic feet in one cubic yard.

Why round ready-mix to a quarter yard?

It is a practical ordering increment for planning. Your local supplier may use different minimums or short-load rules.

Can I use this for a driveway?

You can estimate volume, but driveways need base, reinforcement, slope and load checks beyond a simple calculator.