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Brick and block calculator
Bricks or blocks for a wall, plus the mortar needed.
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About Brick and block calculator
Find how many bricks or blocks a wall needs from its length, height and unit size, with the mortar joint included, and the mortar quantity. A standard UK brick wall takes about 60 bricks per square metre. Subtract openings such as doors and windows, and add a few percent for breakage.
How to use Brick and block calculator
- Enter your numbers above.
- The result updates instantly as you type.
- Change any value to compare different cases.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
How many bricks are in a square metre of wall?
About 60 for a standard single-skin UK brick wall with 10 mm mortar joints. Block sizes give far fewer.
Is Brick and block calculator free?
Yes. Brick and block calculator on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.