Brick calculator

6.86 bricks per sq ft. Modular brick, 3/8 in joint, before waste.

Broken brick and cuts at openings. 5% is a start for a straight wall.

Job sheet

Plumb undefined job sheet

100 sq ft net.

  • Blocks720Face 0.146 sq ft with the joint.
Plumb undefined job sheet
100 sq ft net.

Blocks: 720 (Face 0.146 sq ft with the joint.)

One hundred square feet of modular brick at a 3/8 inch joint is a bit under 7 bricks a foot, before the 5% allowance. The sheet rounds up to whole bricks. Mortar is mortar. Block walls are concrete block. The footing is concrete.

FAQ

How many bricks per square foot?

A modular brick is about 7 5/8 by 2 1/4. Add a 3/8 inch joint and the module is 8 by 2 5/8 inches. That is about 6.86 bricks per square foot before waste. A different brick or a different joint changes the count. Type the brick you are buying.

How many bags of mortar?

QUIKRETE says an 80 lb bag of mortar mix lays up to 37 standard bricks. Take the brick count to the mortar page.

Sources

  1. QUIKRETE Mortar Mix: Up to 37 standard bricks per 80 lb bag.