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Brick Calculator

Estimate how many bricks and how much mortar a wall needs.

Units
Wall thickness
%
$

Enter your values to see the result.

Estimates only. Measure carefully and check quantities with your supplier before ordering.

Continue your work

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Clear instructions

Find steps, examples and limitations below.

Use online

Open the tool in a supported web browser.

Free to use

No sign-up required. Tool-specific limits may apply.

How to use the Brick Calculator

Estimate how many bricks and how much mortar a wall needs.

  1. 1 Enter the wall size and any door or window area.
  2. 2 Choose the brick size and wall thickness.
  3. 3 Read the number of bricks and the mortar needed.

Example and practical tips

A 20 × 8 ft single-brick wall of US modular bricks needs about 1,050 bricks including 5% waste.

Frequently asked questions

How many bricks per square meter?

About 60 UK bricks or 57 US modular bricks for a single-thickness wall with 10 mm joints.

Why double brick?

Double (two-leaf) walls are stronger and quieter but use twice as many bricks.

Report an issue

Something broken or not quite right? Tell us and we will look into it.