Brick Calculator

Estimate how many bricks are needed to build a wall of a given size.

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Wall length (ft)

Wall height (ft)

Brick face length (in)

Brick face height (in)

Waste (%)

Result

Enter values to calculate.

Summary

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Detail

Waiting for input

Estimate how many bricks are needed to build a wall of a given size.

How It Works

How Brick Calculator Works

The wall's area is divided by the face area of a single brick (including its usual mortar joint), with a waste allowance added for cuts and breakage.

Real-World Use Cases

Who Uses Brick Calculator and Why

Estimating brick quantity for a garden wall or veneer project before ordering.
Comparing material needs between a standard modular brick and a different regional brick size.
Working out how waste percentage affects total brick count for a wall with lots of corners or openings.

Common Mistakes

Mistakes to Avoid

Leaving the brick face dimensions at the 8-inch by 2.25-inch default when your actual brick is a different size or type — sizes vary by region and manufacturer, so using the wrong face dimensions skews the count.
Forgetting the default face size already includes a typical mortar joint allowance, then adding extra padding on top of the waste percentage for the same thing.
Not increasing waste above the default for a wall with many corners, openings, or a decorative pattern, all of which increase cutting and breakage compared to a plain rectangular wall.

Pro Tips

Tips for Best Results

Measure an actual brick you plan to use, including the mortar joint it'll be laid with, rather than trusting the default face dimensions if you're using a non-standard brick.
For a wall with window or door openings, calculate the gross wall area and subtract the opening area before entering wall length and height, similar to a drywall or paint estimate.

Troubleshooting

Fixing Common Problems

My brick count seems off compared to what a supplier quoted. — Confirm the exact face dimensions of your specific brick, including its intended mortar joint width — the default 8-inch by 2.25-inch figures represent one common modular size, but bricks vary meaningfully by region and style.

Glossary

Terms Explained

Face area: The visible front surface area of a single brick as laid in a wall, including its standard mortar joint allowance.

Modular brick: A common standardized brick size (roughly 8 by 2.25 inches face dimension) designed to work with standard mortar joint spacing.

FAQ

Frequently Asked Questions

What's a typical standard brick size?

A common modular brick face is about 8 inches long by 2.25 inches tall including the mortar joint, though sizes vary by region and brick type — adjust the dimensions here to match your actual brick.