Brick Calculator — Free Online Brick & Cement Estimator for India

🧱 Brick Calculator

Calculate bricks, cement & sand for any wall — with cost estimate

Free Online Brick Calculator for India — Enter your wall dimensions and get instant results: number of bricks required, bags of cement, cubic feet of sand, and total material cost in Indian Rupees (₹). Supports standard Indian brick size (9" × 4.5" × 3") and custom sizes.

Brick Calculator — Complete Guide

Click any section to learn more

🧱What is a Brick Calculator?

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A Brick Calculator is a free online tool that helps you estimate the exact number of bricks, cement bags, and sand required for building a wall. It also calculates the total material cost in Indian Rupees (₹).

This calculator helps you find:

• Total number of bricks needed
• Bags of cement required (50 kg per bag)
• Cubic feet of sand needed
• Total estimated material cost in ₹
• Wastage adjustment (5%–10% extra)

📐Standard Brick Sizes in India

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In India, the most commonly used brick size is the Modular Brick:

Standard Modular Brick (India):
Nominal size: 9" × 4.5" × 3" (Length × Width × Height)
Actual size: 8.5" × 4" × 2.75" (with mortar joint: 0.5" all sides)

Other common sizes used in India:

• 9" × 4" × 3" — Old standard size (commonly used in many regions)
• 10" × 5" × 3" — Larger bricks used in some states
• 9" × 3" × 3" — Thin bricks for partition walls
• Custom size — Enter your own dimensions

The standard mortar joint thickness is 0.5 inch (12 mm) on all sides.

🏗️Wall Types & Thickness

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• 4.5 inch wall (Half Brick) — Partition walls, boundary walls, room dividers. Uses bricks laid flat (stretcher bond).
• 9 inch wall (Full Brick) — External walls, load-bearing walls, compound walls. Double the brick count of a 4.5" wall.
• 13.5 inch wall (1.5 Brick) — Very strong walls, basement walls, retaining walls.

Tip: For a normal single room partition, use 4.5 inch wall. For the outer walls of a house, use 9 inch wall for better strength and insulation.

🧮How is Brick Count Calculated?

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The formula used in this calculator:

Step 1: Wall Volume = Length × Height × Thickness (all in feet)
Step 2: Brick Volume = (brick L + mortar) × (brick H + mortar) × (brick W + mortar) in feet
Step 3: Number of Bricks = Wall Volume ÷ Brick Volume
Step 4: Add wastage (5%–15% extra)
Step 5: Mortar Volume = Wall Volume × 30% (approx mortar ratio)
Step 6: Cement bags and sand from mortar ratio (1:4, 1:5, 1:6)

Example: Wall 10ft × 10ft × 0.75ft (9 inch), Standard brick 9×4.5×3 inches

• Wall Volume = 10 × 10 × 0.75 = 75 cubic feet
• Brick Volume = (9.5×3.5×4.5) inches = 149.625 cubic inches = 0.0866 cubic feet
• Bricks needed = 75 ÷ 0.0866 = 866 bricks
• Add 10% wastage = 866 + 87 = 953 bricks

💰Brick Prices in India (2025)

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Brick prices vary by region, season, and quality. Approximate rates in India (2025):

• Red Clay Brick: ₹6 – ₹10 per brick (most common)
• Fly Ash Brick: ₹4 – ₹7 per brick (eco-friendly, lightweight)
• AAC Block (Aerocon): ₹35 – ₹60 per piece (large size)
• Wire Cut Brick: ₹8 – ₹14 per brick (machine-made, uniform)

Cement bag price: ₹350 – ₹450 per 50kg bag (Ultratech, ACC, Ambuja)
Sand: ₹50 – ₹120 per cubic foot (varies by region)

Enter your local rates in the calculator for accurate cost estimation.

🏠Where is This Calculator Used?

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🏡 House Construction

Calculate bricks for rooms, compound walls, boundary walls during new home construction.

🔧 Renovation Work

Adding new rooms, extending walls, building a new boundary — estimate material before purchase.

👷 Contractors & Masons

Quick quotation preparation for clients without manual calculations.

📐 Civil Engineering Students

Learn quantity estimation and material takeoff calculations practically.

🧱 Enter Wall Dimensions

Wall Length

Enter in Feet

Wall Height

Enter in Feet

Wall Thickness 4.5 inch — Half Brick (Partition Wall) 9 inch — Full Brick (Standard Wall) 13.5 inch — 1.5 Brick (Heavy Wall)

Select wall type

Brick Size Standard Modular — 9×4.5×3 inch Old Standard — 9×4×3 inch Large Size — 10×5×3 inch Thin Brick — 9×3×3 inch Custom Size (enter below)

Select brick type

Brick Length (inch)

Brick Width (inch)

Brick Height (inch)

🔧 Mortar & Wastage Settings

Mortar Joint Thickness 3/8 inch (10mm) — Fine Finish 1/2 inch (12mm) — Standard 3/4 inch (19mm) — Rough

Mortar Mix Ratio (Cement:Sand) 1:4 — Strong (Exterior walls) 1:5 — Standard (General use) 1:6 — Light (Interior partition)

Wastage % 5% — Experienced mason 10% — Standard (recommended) 15% — Extra safe margin

Deduct: Doors/Windows Area (sq ft)

Enter total opening area to subtract

💰 Enter Material Rates (₹)

Brick Rate (₹ per brick)

Local market rate

Cement Rate (₹ per 50kg bag)

Per bag rate

Sand Rate (₹ per CFT)

Per cubic foot rate

📊 Calculation Results

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Total Bricks (with wastage)

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pieces

🔵

Cement Required

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bags (50kg each)

🟡

Sand Required

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cubic feet (CFT)

📐

Net Wall Area

—

square feet

💰 Estimated Material Cost (₹)

🧱 Brick Cost —

🔵 Cement Cost —

🟡 Sand Cost —

💰 Total Material Cost —

📋 Detailed Breakdown

Item	Without Wastage	With Wastage
Calculate to see results

📝 Important Notes:

• Brick count includes selected wastage percentage for breakage and cutting
• Cement and sand quantities are approximate based on mortar volume (30% of wall volume)
• Labour charges are NOT included in this estimate
• Prices vary by region — use your local market rates for accurate cost

How to Use This Brick Calculator

Step 1: Enter the wall length and height in feet. For example, a 10 ft × 10 ft wall.

Step 2: Select wall thickness — 4.5 inch (partition/half-brick), 9 inch (standard full-brick), or 13.5 inch (heavy wall).

Step 3: Select brick size. Standard Indian modular brick is 9×4.5×3 inches.

Step 4: Set mortar mix ratio and wastage percentage. 10% wastage is recommended for standard construction.

Step 5: Enter area of doors and windows to deduct from wall area (optional).

Step 6: Enter your local brick price, cement price per bag, and sand price per CFT.

Step 7: Click "Calculate Now" to get the complete material estimate with cost.

Brick Calculation Formula

// Step 1: Wall Volume
Wall Volume = Length(ft) × Height(ft) × Thickness(ft)

// Step 2: Volume of 1 Brick with mortar
Brick Vol = (L+mortar) × (H+mortar) × (W+mortar) in inches → convert to ft³

// Step 3: Number of bricks
Bricks = Wall Volume ÷ Brick Volume

// Step 4: Add wastage
Final Bricks = Bricks × (1 + wastage%/100)

// Step 5: Mortar (approx 30% of wall volume)
Mortar Vol = Wall Volume × 0.30 × 1.3 (dry factor)

// Step 6: Cement & Sand (for 1:5 ratio)
Cement Vol = Mortar Vol ÷ (1+5) × 1 → convert to bags
Sand Vol = Mortar Vol ÷ (1+5) × 5 → in CFT

Disclaimer

This brick calculator provides approximate estimates for planning purposes only. Actual material requirements may vary based on brick quality, mason skill, mortar application, and site conditions. Always consult a qualified civil engineer or contractor before purchasing materials for construction. We are not responsible for any material over-purchase or under-purchase based on these calculations.

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