Brick & Block Calculator
Estimate bricks, fly ash, AAC blocks, mortar volume, cement bags, and sand for 4.5" and 9" masonry walls.
1. Wall Dimensions & Thickness
2. Brick Specification & Openings
Mortar Ingredients (1:6 Mix)
Brick Masonry Reference
- • 9" Outer Wall: Double brick thickness provides superior thermal insulation, sound barrier, and structural stability.
- • 4.5" Partition Wall: Single brick width used for non-load-bearing room dividers.
- • AAC Blocks: 50% lighter than red bricks with better thermal rating and minimal mortar joint adhesive.
How to Use Brick & Block Calculator
- Enter wall dimensions (Length and Height in feet or meters).
- Select your wall thickness: 4.5" (Single Leaf / Half Brick) or 9" (Double Leaf / One Brick).
- Choose your brick or block type (Standard Red Brick, Modular, Fly Ash, or AAC Lightweight Block).
- Enter the number of doors and windows to deduct opening cutouts.
- View the total number of bricks to buy (with wastage), along with the required cement bags and sand volume for the mortar.
Key Features & Privacy Guarantee
- Multiple Masonry Standards: Standard Red Clay Brick (190×90×90mm), Modular Brick (200×100×100mm), Fly Ash, and AAC Blocks (600×200×150mm).
- Wall Thickness Handling: Calculates precise volume and course layers for 4.5" (115mm), 9" (230mm), 13.5" (345mm), and 18" (460mm) walls.
- Mortar Joint Displacement: Accounts for standard 10mm (3/8") mortar beds in brick calculations.
- Door & Window Openings Subtractions: Seamlessly subtracts structural openings from gross masonry volume.
- Dual Bill of Materials: Bricks count + Mortar ingredients (50kg cement bags & sand in cft/tons).
Frequently Asked Questions
How many standard red bricks are in 1 cubic meter (m³) of masonry?
In standard brickwork with 10mm mortar joints, approximately 500 standard bricks (190×90×90mm) are required per cubic meter (approx 13.5 to 14 bricks per cubic foot).
How many bricks are needed for a 100 sq ft 9" wall?
A 100 sq ft wall of 9" thickness has a volume of 75 cubic feet. At ~13.5 bricks/cft, you need approximately 900 to 1,000 bricks (plus 5% wastage = ~1,050 bricks).
How many bricks are needed for a 100 sq ft 4.5" partition wall?
A 4.5" partition wall requires approximately 450 to 500 bricks per 100 sq ft of surface area.
How many AAC blocks equal 100 standard red bricks?
One standard AAC block (600×200×150mm) has the volume equivalent of approximately 6 to 7 standard red clay bricks, significantly speeding up construction.