Quickly estimate the number of concrete blocks, mortar bags, and rebar needed for your wall project.
Users
5
−1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
4
0 in 30 days
Store rank
#246K
#205K among extensions
Version
1.0.0
updated 15 Jul 2026
Users
monthly, 3 months
Latest, 19 Oct 2026:5 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 months
Latest, 19 Oct 2026:4 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Concrete Block Calculator
Planning a DIY masonry project or managing a professional construction job? The Concrete Block Calculator is a lightweight, easy-to-use extension designed to help you instantly estimate the exact materials you need for any wall project. No more tedious manual calculations, guesswork, or wasted trips to the hardware store.
With this tool, you can instantly calculate the precise number of concrete blocks required based on your custom wall dimensions. It also provides quick, reliable estimates for the number of mortar bags and rebar needed to ensure your structure is structurally sound. The clean, intuitive layout is built right into your browser, allowing you to run quick calculations on the fly, minimize material waste, and budget your project effectively before you buy.
To use it, simply click the extension icon, enter your wall's height and length, input your block dimensions, and get instant material estimates. Whether you are building a simple garden retaining wall or planning a large-scale project, this extension is built to streamline your workflow. Streamline your estimation process today—install the Concrete Block Calculator now!