How many bricks do you need for 300 square feet?

A 300 sq ft wall of modular brick takes 2,025 bricks — buy 2,127 with 5% for waste — and about 58 bags of 80 lb mortar mix.

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The calculator below is pre-filled for this project. Adjust any value — including feet and inches — and the results update instantly.

Bricks needed2,127

80 lb bags of mortar mix58

Wall area300 sq ft

Bricks per sq ft6.75

300 sq ft is, for example, a wall 75 ft long and 4 ft high. A two-wythe (double-thick) wall needs twice as many bricks.

300 sq ft × 6.75 × 1.05 = 2,127 bricks 2,127 ÷ 37 per bag = 58 bags of mortar

How many bricks for 300 square feet?

2,025 modular bricks, or 2,127 with 5% waste.

Want the full method, tips and other sizes? See the brick calculator guide.

Last reviewed November 1, 2026. Results are estimates — confirm with your supplier.