Concrete Calculator
Concrete Calculator
Estimate the concrete you need for slabs, footings, post holes, and walls — instantly and for free. Pick your shape, enter dimensions, then shop the mix below.
CONCRETE CALCULATOR
Tell us the shape and dimensions — we’ll tell you the concrete and bag count.
Your Project
ft
ft
in
qty
You’ll Need
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Cubic Yards
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Cubic Feet
80 lb bags (P80)— bags
60 lb bags (P60)— bags
Bag counts include your waste allowance and are rounded up — you can’t buy a partial bag.
Shop 80 lb Mix (P80) → Shop 60 lb Mix (P60) →Estimate only — Tier A (geometry). Figures are based on the dimensions you enter. Always round up and keep a spare bag or two on the job. For ready-mix delivery, confirm the exact load and any minimum charge with our yard. Call us and we’ll double-check your numbers before you buy.
Shop the job
Shop Concrete Materials
Got your numbers? Grab mix, rebar, and forms in one trip.
Shop links open our online store — coming online shortly.