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Brick Calculator

Wall Length (ft)

Wall Height (ft)

Brick Size (in)

Block/Brick Type

Mortar Joint

Waste Factor

Result

—bricks

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Sq Feet

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Mortar Bags

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How to Calculate Brick

Use this free brick calculator to get instant, accurate results for your construction project. Simply enter your measurements above and the calculator will automatically compute the result using industry-standard formulas.

Pro Tip: Always add 10-15% extra material to account for waste, cuts, and job-site conditions. This is standard practice recommended by experienced contractors.

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💡 Pro Tips — Brick

7 standard bricks per sqft for running bond. Add 5-10% for cuts and waste.
One 80lb bag of mortar lays about 35 standard blocks or 100 bricks.
Wet bricks before laying — dry bricks absorb moisture from mortar and weaken the bond.
Retaining walls over 4ft typically need engineering and permits.
Control joints every 20-25ft in block walls to prevent cracking.

❓ Frequently Asked Questions

+How many blocks per sq ft?

Standard CMU (8×8×16): 1.125 per sq ft. Standard brick: 6.75 per sq ft with 3/8" mortar joints.

+How much mortar per block?

One 80-lb bag lays about 35 standard blocks or 100 bricks.

+How high can I build without engineering?

Unreinforced: 4-6ft depending on local code. Over 4ft retaining walls almost always need engineering.

+What mortar type do I use?

Type S: structural, retaining walls, below grade. Type N: general above-grade, veneer. Type M: heavy loads, foundations.

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How to Calculate Brick

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❓ Frequently Asked Questions