How many bricks do I need per square foot of wall?

For a standard US brick (8x4x3 inches) with a 3/8 inch mortar joint and a 9-inch thick wall, you require roughly 4 to 4.5 bricks per square foot. This volume fluctuates based on precise brick dimensions, wall thickness, and mortar joint thickness, which is why this calculator computes it exactly for your inputs.

Is this brick calculator free to use?

Yes, this brick estimation tool is 100% free with no sign-up operations required. Adhering to our rigid data protection metrics, all calculation operations execute locally within your browser sandbox. No wall dimensions or personal metrics are ever uploaded or stored on any server.

Does the calculator account for doors and windows?

Yes. You can input the total integrated area of doors, windows, and other architectural openings. The calculation framework automatically deducts that empty volume from the total wall area before finalizing the estimation for bricks, mortar volume, and cost.

What wastage percentage should I use for brickwork?

A standard wastage factor ranging between 5 to 10 percent is typical for structural brickwork to properly account for breakage, angular cutting, and transit handling losses. The utility defaults to 10 percent for safety, but this setting can be adjusted to match your operational parameters.

How is mortar quantity calculated?

Mortar volume is computed by subtracting the actual structural volume of all calculated bricks from the total overall wall volume. The system then dynamically converts that net mortar volume into approximate required cement bags and sand volume based on a standard 1:6 cement-to-sand mixing ratio.

Can I use custom brick sizes?

Absolutely! You can select the 'Custom Size' parameter under the Brick Type dropdown interface and manually input the exact length, width, and height of your masonry units in inches to secure high-precision estimations for non-standard bricks.

Does this calculator estimate total construction cost?

Yes. By providing the individual unit price per brick, price per standard cement bag, and price per unit volume of sand inside the integrated cost panel, the calculator automatically combines the metrics to generate a total estimated material cost profile.

Does the brick calculator work on mobile devices?

Yes. The UI script layout is fully responsive and cross-platform compatible, executing flawlessly across modern mobile phones, tablets, and desktop web browsers without losing functional performance.

Brick Calculator (Free & No Login)

Brick Calculator

Bricks, mortar, cement, sand & cost - instantly.

No Signup Zero Data Storage Free Forever

Wall Dimensions

Wall Length (feet)

Wall Height (feet)

Wall Thickness (inches)

Doors / Windows Area (sq ft)

Demo values are pre-filled below so you can see how the calculator works. Change any field and click Calculate to get your own result.

Brick Specifications

Country Standard

Brick Type

Mortar & Wastage

Mortar Joint Thickness (in)

Wastage Factor (%)

Cost Estimate (Optional)

Price per Brick

Price per Cement Bag

Price per Cubic Foot of Sand

What Is a Brick Calculator?

A brick calculator is a free online tool that works out how many bricks, how much mortar, cement, and sand you need to build a wall, based on the wall's length, height, thickness, and the brick size you plan to use. Instead of measuring and calculating by hand, you enter your wall details once and get an instant, ready-to-use estimate.

It is meant for anyone planning brickwork - homeowners, masons, contractors, and students - who wants a quick, reliable material estimate before placing an order or starting construction.

How This Brick Calculator Is Different

Feature	Most Brick Calculators	This Calculator
Door / window deduction	Rarely included	Built in - enter opening area and it is subtracted automatically
Mortar estimate	Flat percentage guess	Calculated from actual brick volume vs. wall volume, using a 1:6 mix ratio
Cement & sand quantity	Usually not shown	Given separately in bags and cubic feet
Total cost estimate	Not offered	Add your local brick, cement, and sand prices for a total cost
Country brick standards	Single fixed size	US, UK, Australia, and India sizes, plus fully custom dimensions
Data & signup	Some require an account	No signup, nothing is uploaded or stored - everything runs in your browser

How Many Bricks Per Square Foot? (Quick Reference)

These are approximate bricks-per-square-foot figures for a standard US brick (8x4x3 in) with a 3/8 in mortar joint, at common wall thicknesses:

Wall Thickness	Bricks per Sq Ft	Bricks per 100 Sq Ft	Typical Use
4.5 inches (half brick)	~7	~700	Partition / boundary wall
9 inches (single brick)	~13.5	~1,350	Load-bearing exterior wall
13.5 inches (brick and a half)	~20	~2,000	Thick boundary / retaining wall
18 inches (double brick)	~27	~2,700	Heavy load-bearing / foundation wall

Figures shown are estimates only. Use the calculator above for a figure matched to your exact wall size and brick type.

How to Use the Brick Calculator

1. Enter Wall Dimensions

Add wall length and height in feet, thickness in inches, and subtract any door or window area.

2. Pick a Country Standard

Choose US, UK, Australia, or India to auto-load correct brick sizes, or select Custom.

3. Set Mortar & Wastage

Adjust joint thickness and wastage percent to match your local building practice.

4. Add Prices for Cost

Enter brick, cement, and sand prices to see an estimated total material cost.

Worked Example

Input	Value
Wall Length	20 ft
Wall Height	10 ft
Wall Thickness	9 in
Brick Type	US Standard (8x4x3 in)
Mortar Joint	3/8 in
Wastage	10%

Result	Approx. Value
Wall Area	200 sq ft
Bricks Required	~880 bricks
Mortar Required	~15 cu ft

Brick Type Comparison

Brick Type	Size (inches)	Best For	Notes
Standard	8 x 4 x 3	General residential walls	Most common, widely available
Modular	7.625 x 3.625 x 2.25	Faster laying with modular coursing	Slightly smaller, pairs with 8 in module grid
Engineering	8.625 x 4.125 x 2.75	Load-bearing, damp-resistant work	Denser, higher compressive strength

Brick Size Standards by Country

Country	Type	Size (mm)	Size (inches)
United States	Standard	203 x 102 x 76	8 x 4 x 3
United States	Modular	194 x 92 x 57	7.625 x 3.625 x 2.25
United States	Engineering	219 x 105 x 70	8.625 x 4.125 x 2.75
United Kingdom	Standard / Engineering	215 x 102.5 x 65	8.46 x 4.04 x 2.56
Australia	Standard	230 x 110 x 76	9.06 x 4.33 x 2.99
Australia	Modular	290 x 90 x 90	11.42 x 3.54 x 3.54
India	Standard	228 x 107 x 69	8.98 x 4.21 x 2.72
India	Modular	190 x 90 x 90	7.48 x 3.54 x 3.54

Frequently Asked Questions

Explore Other Tools

Roth IRA Calculator Discount Calculator VAT Calculator Percentage Calculator Time Management Calculator Unit Converter Online Notepad GST Calculator SWP Calculator SIP Calculator Lumpsum Calculator Calculator To-Do List