Brick Calculator

Count bricks for a wall or veneer from the wall size, the brick format and the mortar joint.

ft²
%

Bricks needed

1,207 bricks

  • Bricks per square foot6.86
  • Wall area160 ft²

Estimates only. Round up when you order, and confirm structural details with your local building code.

How to use it

  1. Enter the wall length and height.
  2. Subtract door and window areas.
  3. Pick the brick size and joint thickness.

The formula

Bricks per ft² = 144 ÷ ((brick length + joint) × (brick height + joint))

Bricks = net wall area × bricks per ft² × (1 + waste)

Worked example

Wall length20 ft
Wall height8 ft
Area of doors/windows to subtract0 ft²
Brick sizeModular 7-5/8 × 2-1/4 in
Mortar joint0.375 in
Waste / spillage allowance10 %

Result

Bricks needed1,207 bricks
Bricks per square foot6.86
Wall area160 ft²

Tips before you order

  • Standard modular brick with ⅜ in joints works out to about 6.9 bricks per square foot.
  • Order 5–10% extra for cuts and breakage, and buy from one batch to keep the color consistent.

Questions

How many bricks in a square foot?

About 6.9 modular bricks per ft² with ⅜ in mortar joints.