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Construction & Materials

Brick & Mortar Calculator

Estimate the number of bricks and bags of mortar needed for a wall.

Your inputs

Change any value to update the result instantly.

Construction & Materials
Units
ft
ft
in
in
in
%

Bricks needed

1,153 bricks

Wall area

160 ft²

Mortar volume

3.23 ft³

Mortar bags (80 lb, ~0.6 ft³ each)

6 bags

Estimated bags rounded

4 bags

Formula and working

bricks = wall area ÷ brick face area × (1 + waste)

  1. 1

    Collect the inputs

    Wall length = 20 ft; Wall height = 8 ft; Brick length = 8 in; Brick height = 2.25 in; Mortar joint = 0.375 in; Waste allowance = 10 %

  2. 2

    Apply the formula

    bricks = wall area ÷ brick face area × (1 + waste)

  3. 3

    Result

    Bricks needed = 1,153 bricks

Frequently asked questions

Important limitation

This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.

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