Brick Calculator

Calculate number of bricks for a wall.

Explanation

Building a brick or block wall requires precision. This calculator accounts for the mortar joint thickness, which adds up over large areas. ### Standard Sizes - **Standard Brick (US)**: Approx 8 x 2.25 x 3.75 inches. - **Cinder Block (CMU)**: Standard is 8 x 8 x 16 inches. - **Joint**: Usually 3/8 inch (10mm). ### Wall Type - **Single Skin (Stretcher Bond)**: Thickness = width of brick. Common for veneers. - **Double Skin**: Thickness = length of brick. Structural walls. ### Wastage Always order **5% extra** for breakage during cutting and transport.

Examples

100 sq ft wall using standard blocks. Approx 1.125 blocks per sq ft. Total = 113 blocks.
100 sq ft wall using standard bricks. Approx 7 bricks per sq ft. Total = 700 bricks.

FAQ

How much mortar?

One 80lb bag of mortar mix lays about 40-50 standard bricks or 10-12 blocks.

Should I wet bricks?

Yes, especially red clay bricks in summer, to prevent them from sucking moisture out of the mortar too fast.

Disclaimer

Always verify calculations with an architect or engineer before starting work.