Brick and block calculator
Count the bricks or blocks for a wall, subtracting door and window openings.
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How it is calculated
units per m² = 1 / ((length + joint) × (height + joint))
Use the face dimensions of the unit. A US modular brick with a ⅜ in joint gives about 73 bricks per m² (6.75 per ft²); a 16 × 8 in block, about 1.125 per ft².
Frequently asked questions
How many bricks per square foot?
About 6.75 standard US modular bricks per ft² with ⅜ in joints.
How many concrete blocks per square foot?
About 1.125 blocks of 16 × 8 in (12.5 per m²).