Contact
Contact Us
Questions about the calculator, a result that does not look right, or an idea for a page we should add? We read every message. Email is the fastest way to reach us.
Email us
hello@concretecals.comWe aim to reply within two business days. For calculator bugs, please include the shape, dimensions, and units you entered so we can reproduce the result.
Send a message
This form opens a draft in your email app. Nothing is submitted to or stored on a ConcreteCals server.
Before you write
Including the right details helps us answer faster and more accurately:
- The shape you selected — slab, circle, footing, wall, curb, or steps.
- The dimensions and units you entered, plus the waste percentage.
- The bag size or price per cubic yard you used, if the question is about bags or cost.
- For a bug report, the browser and device you were using.
- For a correction, the page URL and the sentence or figure that needs attention.
Looking for a quick answer?
Many common questions are already covered on the home page. The Concrete Calculator FAQ explains yards, bags, gravel bases, slab quantities, and ready-mix pricing, while the concrete guide walks through the formulas and unit conversions.
Ready to run the numbers? Open the concrete calculator.
Privacy questions
ConcreteCals does not require an account and does not receive your calculator measurements. If you have a question about the limited information we do handle — such as an email you send us — read the Privacy Policy or email us with “Privacy” in the subject line.