Concrete Estimates Near Me Calculator

Instantly calculate how many cubic yards of concrete you need for any project—free and done in seconds.

  • Free
  • No sign-up
  • Instant results

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How to use it

  1. Enter length in feet
  2. Enter width in feet
  3. Enter thickness in inches
  4. Adjust waste factor if needed and click Calculate

The Concrete Estimates Near Me Calculator turns the basic measurements of your slab—length, width and thickness—into the total concrete volume you’ll order, expressed in cubic yards. You simply type the dimensions in feet (thickness in inches) and the tool adds the standard 10 % waste allowance unless you change it. The result tells you exactly how much material to request from the supplier, helping you avoid costly over‑orders or shortfalls that delay a job. Because concrete is ordered by the cubic yard, reading the number is straightforward: one cubic yard equals 27 ft³ of mix. Accurate estimates also protect your budget because concrete prices are calculated per cubic yard, so ordering the right amount prevents paying for material you’ll never use. The calculator works on any device, so you can get the number on the job site or at the office without a phone call to a supplier.

Pro tips

  • Use the default 10 % waste factor unless the job has many cuts or obstacles.
  • Round the result up to the nearest amount your supplier sells (often whole or half yards).
  • Order a small extra margin to cover settling, but don’t add more than a few percent.
  • Verify thickness is entered in inches; a common mistake is to input it in feet.

Real-life examples

  • A contractor needs to quote a new driveway for a client.
  • A homeowner plans a concrete slab for a shed foundation.
  • A landscaper orders material for a garden retaining wall footings.

Case study

Mike, a homeowner in Austin, entered his patio size (12 ft × 20 ft × 4 in) and left the waste factor at the default 10 %. The calculator returned 1.2 cubic yards, so he ordered 1.3 cubic yards and completed the pour without excess or shortage, saving time and money.

Frequently asked questions

How do I convert the calculator result to bags of concrete?
Check the bag label for volume per bag (usually in cubic feet) and divide the total cubic yards (converted to cubic feet) by that number.
Why is there a waste factor and should I change it?
The waste factor covers spillage, over‑fill and uneven subgrade; increase it only if your site has many obstacles or complex forms.
What if my measurements are in meters?
Convert meters to feet (1 m ≈ 3.28 ft) before entering them, because the calculator expects feet for length and width.
Do I need to include reinforcement in the estimate?
Reinforcement (rebar or mesh) doesn’t change the concrete volume, but you’ll need to order it separately based on design specs.
How accurate is the calculator for irregular shapes?
For irregular shapes break the area into simple rectangles, calculate each, sum them, then enter the total dimensions; the result will be as accurate as your inputs.