Brick & Mortar Tool

Build with confidence. Estimate the total number of bricks and bags of mortar mix required for your wall, accounting for joint thickness.

Height x Length of the wall.
Total Bricks Needed
675

Includes a 5% waste factor.

Mortar (80lb Bags)
7
Wall Weight
3.2k lbs

Masonry Math Explained

I genuinely believe that masonry is an art form, but its foundation is pure math. When you calculate bricks per square foot, you must include the "Mortar Joint." Even a small 3/8-inch joint adds up significantly over a large wall, reducing the total number of bricks needed while increasing the volume of mortar required.

Bricks per Square Foot: For a standard modular brick with a 3/8" joint, the industry standard is roughly **6.75 to 7 bricks** per square foot. If you are building a "double wythe" wall (two bricks thick), you'll need to double this number.

Material Estimates:

  • Mortar: A standard 80lb bag of pre-mixed mortar typically covers about 30 standard bricks.
  • Waste: Brick is brittle. Always order 5-10% more than your calculation to account for broken bricks and cuts.
  • Structural Weight: Brick is extremely heavy. Ensure your footer or foundation can support the total weight calculated above.