Ready-mix order

Ready-Mix Concrete Calculator

Estimate the cubic yards to discuss with a ready-mix supplier.

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.

AccessConfirm the truck can reach the pour or plan wheelbarrow/pump work.
MinimumsAsk about minimum orders, short-load fees and delivery windows.
Finish timeHave forms, base, tools and helpers ready before the truck arrives.

Concrete mix Rebar Tube forms Mixing tools Trowels and floats

How many yards of ready-mix do I need?

Enter the dimensions and waste factor. The calculator rounds up to the nearest quarter yard.

Does this include short-load fees?

No. It estimates material volume and optional per-yard cost only.

Should I tell the supplier the calculator result?

Use it as a planning number, then confirm mix, slump, delivery and quantity with the supplier.