Red Brick Calculator — Estimate Bricks Needed for Wall Construction

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Red Brick Calculator – Work Out How Many Bricks You Need

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Most people get stuck when they try to figure out the number of red bricks needed for a wall. So here’s a simple red brick calculator you can actually use without formulas. You just enter your wall’s length and height, tell it how thick the mortar is, and that’s it — the tool gives you an idea of how many bricks you’ll need for your wall.

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Step 1: Put In the Wall Size

Type the wall width and height first.
If your wall runs 10 feet long, write “10”. For a height of 8 feet, put “8”.
Pick the right unit too — ft, m, cm, inches, or mm — whatever you used on-site.
That’s what helps the brick quantity calculator know your total wall area before doing the wall brick calculation.

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Step 2: Brick Dimensions

The tool already comes with standard red brick sizes.

• Length – 200 mm

• Height – 100 mm
  These are common all over India, so you don’t really need to change them unless you’re using bigger or smaller bricks.

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Step 3: Mortar Joint Thickness

Add the thickness of your mortar joint — the little gap between each brick.
For example, if the joint is half an inch, type 0.5 and select inches (or cm/mm if that’s what you used).
This helps make the count more accurate because even a small gap can change how many bricks fit in a wall.

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Step 4: Wastage or Defect %

No site work goes 100 % perfect — a few bricks always crack or get cut.
Type a small wastage percentage, maybe 5 %, so you’ll have a few extras.
This keeps your brick estimate safe and realistic.

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Step 5: See the Result

Now hit Calculate.
You’ll get two numbers:

• Bricks Needed (No Wastage) – Pure wall calculation.

• Total Bricks (With Wastage) – The full count including your extra %.

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Why It’s Handy

This small tool is a time-saver for anyone — whether you’re a mason, a civil engineer, or just building your own house.
Instead of guessing or flipping through formulas, the red brick calculator tells you the number of bricks you’ll need in seconds.
Simple, practical, and made for real-world use.

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Tip: Always measure your wall properly before starting. The more accurate your inputs, the better your result.