How Many Bricks per Sq Ft of Wall in India?
A 9-inch (230 mm) wall needs about 11 standard bricks per sq ft including mortar joints and 5% waste. A 100 sq ft wall is roughly 1,100 bricks plus 1:6 mortar at about 0.03 cubic meters per sq ft. This guide covers counting, mortar, plaster, and the joint thickness that makes or breaks the estimate.
Step-by-Step Takeoff
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1
Measure wall area in sq ft, deduct doors and windows.
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2
Bricks: area x 11 for 9-inch walls (x 5.5 for 4.5-inch partition).
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3
Mortar 1:6: about 0.003 cubic m cement + 0.02 cubic m sand per sq ft.
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4
Add 5% waste on bricks, 10% on mortar.
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5
Keep joints 10 mm (3/8 in) โ thick joints eat bricks and weaken walls.
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6
Rack back (step) corners for bonding; never tooth straight vertical joints.
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7
Check plaster needs (12 mm, 1:6) in the Plaster section of Masonry Calculator.
Guide FAQ
How many bricks for 100 sq ft?
About 1,100 standard bricks for a 9-inch wall.
1:4 or 1:6 mortar?
1:6 for general brickwork; 1:4 for exposed or load-bearing work.
How many bricks per cubic meter?
Roughly 500 standard bricks per cubic meter of brickwork.
Why do estimates run short?
Skipped deductions are fine โ the usual culprit is 12โ15 mm joints instead of 10 mm.
Frog up or down?
Frog (indent) faces up โ it keys the mortar bed.
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