Brick and Mortar Estimator Calculator
Enter your wall area and your local brick and mortar usage rates to estimate how many bricks and mortar bags you'll need.
Brick and Mortar Estimator Calculator
Estimates the number of bricks and bags of mortar needed for a wall based on its area.
This calculator multiplies your wall area by a bricks-per-square-meter rate to estimate total bricks needed, then divides that by how many bricks a typical mortar bag can lay to estimate mortar bags required. Both rates are left adjustable since they vary by brick size, wall construction (single vs double skin) and mortar mix, so check your specific materials or a local supplier for the most accurate rates before ordering, and always round quantities up with a small waste margin.
Example
- With the default values shown above, this calculator returns: Bricks Needed ≈ 1200 bricks; Mortar Bags Needed ≈ 2.4 bags.
Frequently Asked Questions
Why does bricks per m² vary?
It depends on brick size, wall thickness (single vs double skin) and mortar joint width, so it's left as an adjustable input — check your specific brick's dimensions or ask your supplier for a local rate.
Should I round up my final order?
Yes — always round the estimated bricks and mortar bags up to the next whole unit, and add a waste allowance (commonly 5-10%) for breakage and cutting.
Sources
- Standard formula, publicly documented method