How many bricks do you need for 25 square feet?
A 25 sq ft wall of modular brick takes 169 bricks — buy 178 with 5% for waste — and about 5 bags of 80 lb mortar mix.
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Your results
Bricks needed178
80 lb bags of mortar mix5
Wall area25 sq ft
Bricks per sq ft6.75
Bricks and mortar for 25 sq ft
| Waste | Bricks | 80 lb mortar bags |
|---|
| 0% | 169 | 5 |
| 5% | 178 | 5 |
| 10% | 186 | 6 |
25 sq ft is, for example, a wall 5 ft long and 5 ft high. A two-wythe (double-thick) wall needs twice as many bricks.
The math
25 sq ft × 6.75 × 1.05 = 178 bricks
178 ÷ 37 per bag = 5 bags of mortar
Common questions
How many bricks for 25 square feet?
169 modular bricks, or 178 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.
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