Our free brick calculator helps you work out how many bricks you need. Minimise waste and build in a more efficient way. Calculate bricks required for projects such as extensions, exterior walls, and more. Simply enter wall size, brick dimensions to get your estimates. Unsure about your brick sizes? Bricks and blocks tend to be available in standard sizes, making it much easier for consistency. Your average house brick size is 215mm x 65 mm x 102.5mm (length x height x width), which applies to most facing bricks. Blocks are often larger than bricks; standard concrete block and breeze block dimensions are usually 440mm x 215mm x 100mm (length x height x width). Although, blocks tend to be more varied depending on what you intend to use them for. It’s a good idea to get the measuring tape out to double-check your brick and block sizes to get an accurate estimate of brick quantities.
Brick Calculator - How Many Bricks Do You Need?
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Use the Jewson Brick Calculator to answer the question: "How many bricks do I need?". Just enter the height and length of your wall in metres and the brick calculator will use a standard house brick size or typical breeze block dimensions to estimate how many you need.
If you'd like to know how many bricks per m2 of wall, just enter 1.0 metres into both boxes and the brick calculator will give you the number you need. The Standard Size Calculator is based on standard breeze block dimensions of 440mm x 215mm x 100mm with a 10mm mortar joint, or a standard house brick size of 215mm x 65mm x 102.5mm.
We understand not all brick, breeze block and concrete block dimensions are standard, and you might not want to use a 10mm joint between blocks. If you look below the Standard Size Brick Calculator, you'll also find our Custom Size Brick Calculator. Here you can enter your own brick dimensions in height and length (width does not affect how many bricks per m2 you need) and a custom mortar joint. Again, just add the size of your wall for a total estimate of bricks and blocks you'll need, or enter 1.0 metres into both height and length for the number of bricks per m2.
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