Brick & Mortar Calculator
Calculate number of standard masonry bricks and mortar volume needed for walls
m
m
Calculation Result
Bricks Required
945 Bricks
Includes 5% breakage and 10mm mortar jointsExact Bricks
900
Wall Area
18 m²
Mortar Volume
0.52 m³
How this calculator works
1
Enter wall length and height in meters.
2
Select single leaf (4.5 inch half-brick wall) or double leaf (9 inch full wall).
3
View exact brick count, bricks with waste, and mortar volume.
Formula & Mathematics
Brick Count Formula
Bricks = [Wall Area / (Brick L + Joint) × (Brick H + Joint)] × (1 + Wastage%)
Includes 10mm standard mortar joint spacing and 5% broken brick wastage.
Worked Example
5m long × 3m high wall (single leaf)
Wall area = 15 m², standard modular brick (190×90 mm with 10mm joint).
• Effective brick face = 0.20m × 0.10m = 0.02 m²
• Bricks count = 15 / 0.02 = 750 bricks
• With 5% waste = 788 bricks
Order 788 bricks and ~0.43 m³ of mortar.
Frequently Asked Questions
A single leaf wall is half-brick thick (internal partition), while a double leaf wall is full brick thick (external structural load-bearing).
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