Brick Quantity Calculator
Number of bricks for a wall from its size, brick dimensions, mortar joint and waste.
Inputs
m
m
m²
mm
mm
mm
%
Results
- Bricks needed
- 654 bricks
- Bricks per m²
- 59.3
- Wall area
- 10.5 m²
Formula
Bricks per m² = 1 ÷ ((L + joint) × (H + joint))
Bricks = Area × per m² × (1 + waste)
Assumptions & limits
- Single-leaf (half-brick) wall; double for a full-brick wall.
- UK standard 215 × 65 mm with 10 mm joints ≈ 59.3 bricks/m².
Worked example
10.5 m² × 59.26 × 1.05 = 653.3 → 654 bricks.