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Brick Calculator

Calculate exactly how many bricks you need for walls, patios, or any project. Instant results.

✓ Free✓ No signup✓ US & UK sizes
// CALCULATE
Half Brick (4.5 inch)
Single Brick (9 inch)
Double Brick (13 inch)
Standard (3/8 inch)
Thin (1/4 inch)
Thick (1/2 inch)
🇺🇸 USA (3⅝″ × 2¼″ × 7⅝″)
🇬🇧 UK (215 × 102.5 × 65mm)
🇮🇳 India (228 × 114 × 71mm)
🇦🇺 Australia (230 × 110 × 76mm)
🇩🇪 Germany (240 × 115 × 71mm)
🇯🇵 Japan (210 × 100 × 60mm)
🇫🇷 France (220 × 105 × 65mm)
🇧🇷 Brazil (190 × 90 × 57mm)
✎ ✏️ Custom size...
+10% = X extra bricks
5%25%
// HOW IT WORKS

Calculate Bricks in 3 Steps

1
🧹
Enter Dimensions
Type your wall length, height and thickness. Switch between feet and meters instantly.
2
📐
Choose Brick Type
Select US standard, UK standard, or custom brick size. Set your mortar joint size.
3
✅
Get Exact Count
See total bricks, mortar bags, wastage, and cost estimate. Copy or share your result.
// USE CASES

What Are You Building?

Click any project to pre-fill the calculator with typical dimensions.

🏠
Garden Wall
10ft × 4ft
🏡
House Exterior
20ft × 8ft
🌱
Raised Garden Bed
8ft × 1.5ft
🚶️
Driveway Border
Patio, 40ft × 1ft
🔥
Fire Pit
12ft circumference
🏗️
Retaining Wall
15ft × 3ft
🧻
BBQ / Pizza Oven
Custom project
🏊
Pool Surround
60ft × 3ft patio

The Complete Free Brick Calculator for Every Project

Whether you are building a garden wall, paving a new patio, or constructing the exterior of a house, getting the right brick count is essential. FreeBrickCalculator is a free brick calculator that helps homeowners, contractors, and DIY enthusiasts calculate exactly how many bricks they need — with no signup, no fees, and instant results. Our brick calculator supports US standard, UK standard, and custom brick sizes, making it the most versatile brick calculator online.

Brick Calculator for Walls

Our brick calculator wall tool lets you enter wall length, height, and thickness to get an instant brick count. Whether you are building a small garden wall or a full house exterior, the calculator accounts for mortar joint size, brick dimensions, and wastage. Simply enter your wall measurements in feet or meters, select your brick type, and see how many bricks you need — including the number of mortar bags. This makes it the ideal brick calculator for house construction projects of any scale.

Patio and Paver Brick Calculator

Planning a patio or walkway? Our patio brick calculator and paver brick calculator let you calculate bricks per square foot with precision. Choose from four laying patterns — Running Bond, Stack Bond, Herringbone, and Basket Weave — each with its own wastage factor. The calculator automatically adjusts for pattern complexity, so you get an accurate count whether you are laying red bricks for a classic patio or modern pavers for a driveway border.

Brick Calculator Per Square Foot

One of the most common questions is how many bricks per square foot you need. For US standard bricks with 3/8 inch mortar joints, the answer is approximately 6.75 bricks per square foot. For UK standard bricks with 10mm joints, it is about 60 bricks per square meter. Our brick calculator square feet tool handles these calculations automatically, giving you exact numbers based on your specific brick size and mortar joint selection. No more guessing — just precise, instant results.

Floor and Custom Brick Calculator

Need a brick calculator for floor projects? Our floor brick calculator works the same way as our patio calculator — enter your floor dimensions, select a brick type and pattern, and get your count. For unique projects, the custom calculator lets you input your own brick dimensions and bricks per square foot, giving you full flexibility for non-standard materials or specialized construction needs.

Free Brick Calculator — No Signup Required

Every brick calculator feature is completely free. No account creation, no email collection, no hidden fees. You enter your dimensions, and you get your results instantly. Our free brick calculator works on desktop, tablet, and mobile, so you can calculate bricks on-site or at home. The calculator also supports eight languages — English, Spanish, Japanese, French, German, Portuguese, Korean, and Italian — making it accessible to users worldwide, including those looking for a brick calculator India solution.

Why Choose FreeBrickCalculator

FreeBrickCalculator is designed to be the most user-friendly brick calculator online. Here is why thousands of users trust it for their projects:

Accurate Cost Estimates

Beyond brick counts, our calculator includes a cost estimator. Toggle the price feature on, enter your cost per brick and cost per mortar bag, and see your total estimated material cost instantly. This helps you budget your project before you visit the supplier. Combined with mortar bag estimates, wastage calculations, and pattern-specific adjustments, FreeBrickCalculator gives you everything you need to plan your brick project with confidence.

// BRICKS PER SQ FT
How many bricks per sq ft?
A standard US modular brick requires 6.75 bricks per square foot with standard 3/8″ mortar joints (order 7.5 to include 10% wastage).
// MORTAR YIELD
How many bricks per bag of mortar?
One standard 80 lb pre-mix mortar bag lays approximately 30 to 35 standard bricks with standard 3/8″ joint thickness.
// PAVERS PER SQ FT
How many paver bricks in a sq ft?
Standard 4″ × 8″ patio pavers yield 4.5 pavers per square foot without mortar. Add 10–15% for cuts and herringbone patterns.
// UK STANDARD
How many bricks per sq meter?
UK standard brick (215 × 102.5 × 65mm) with a 10mm joint requires 60 bricks per square meter for single-skin half-brick walls.

Quick Reference: Bricks & Mortar for Common Wall Sizes

Estimates based on US Standard Modular Bricks (3⅝″ × 2¼″ × 7⅝″) with ⅜″ mortar joints and 10% waste included.

Wall DimensionsSurface AreaBricks (10% Waste)Mortar (80 lb Bags)
Garden Wall (10 ft × 3 ft)30 sq ft223 bricks8 bags
Standard Wall (10 ft × 6 ft)60 sq ft446 bricks15 bags
Boundary Wall (20 ft × 6 ft)120 sq ft891 bricks30 bags
Extension Wall (20 ft × 8 ft)160 sq ft1,188 bricks40 bags
Perimeter Wall (50 ft × 6 ft)300 sq ft2,228 bricks75 bags

Quick Reference: Patio & Paver Brick Requirements

Estimates based on standard 4″ × 8″ brick pavers (~4.5 pavers/sq ft) across popular laying patterns.

Project AreaSquare FootageRunning Bond (5% Waste)Herringbone (15% Waste)
Small Walkway (10 ft × 3 ft)30 sq ft142 pavers155 pavers
Medium Patio (10 ft × 10 ft)100 sq ft473 pavers518 pavers
Standard Patio (15 ft × 12 ft)180 sq ft851 pavers932 pavers
Driveway / Patio (20 ft × 20 ft)400 sq ft1,890 pavers2,070 pavers
// CALCULATION FORMULAS

Standard Mathematical Formulas Used by FreeBrickCalculator

Wall Area: Length (ft) × Height (ft) = Total Wall Area (sq ft)
Bricks Needed: Total Area ÷ [(Brick Length + Mortar Joint) × (Brick Height + Mortar Joint)]
With Wastage: Bricks Needed × (1 + Wastage % / 100)
Mortar Bags (80 lb): Total Bricks ÷ 30
// FAQ

Frequently Asked Questions

How many bricks do I need calculator?

Our free brick calculator tells you exactly how many bricks you need. Simply enter your wall length, height, and thickness — or your patio/floor dimensions — and the calculator instantly shows the total brick count, including wastage. It supports US standard (6.75 bricks/sq ft), UK standard (60 bricks/sq meter), and custom brick sizes.

How many brick pavers do I need calculator?

Use our Patio/Floor tab as a brick paver calculator. Enter your area length and width, choose a laying pattern (Running Bond, Herringbone, Stack Bond, or Basket Weave), and select your paver size. The calculator adds pattern-specific wastage automatically — 15% extra for Herringbone, 10% for Basket Weave — so you order the right amount.

How do I calculate the bricks I need?

Enter your wall or area dimensions into the calculator, select your brick size and mortar joint thickness, and click Calculate. The tool shows total bricks needed (with wastage), bricks without wastage, mortar bags required, and area in square feet. You can also estimate material costs by toggling the price feature on.

How many bricks do I need?

It depends on your wall area and brick size. For a standard US brick (3⅝ × 7⅝ inches) with 3/8 inch mortar joints, you need about 6.75 bricks per square foot. For UK standard bricks (215 × 102.5 × 65mm), you need about 60 bricks per square meter. Our calculator handles these conversions automatically.

How much to build a brick wall calculator?

Our calculator includes a built-in cost estimator. Toggle the price feature on, enter your cost per brick and cost per mortar bag, and the calculator shows your total estimated material cost. For a typical garden wall (10ft × 6ft), you would need approximately 405 bricks plus 17 mortar bags — enter your local prices to get an exact estimate.

How much to build a brick garage UK calculator?

For a UK single garage (approximately 3m × 6m walls), you would need around 2,700 UK standard bricks. Use our calculator with UK standard brick size (215 × 102.5 × 65mm) and 10mm mortar joints. Enter your garage wall dimensions, add 10% wastage, and use the cost estimator with your local UK brick prices for an accurate budget.

What is the standard US brick size?

The US standard brick is 3⅝ × 2¼ × 7⅝ inches (92 × 57 × 194mm). With 3/8 inch mortar joints, this gives approximately 6.75 bricks per square foot. Our calculator also supports Jumbo, King Size, and Modular US brick sizes.

What is the standard UK brick size?

UK standard bricks are 215 × 102.5 × 65mm. With a 10mm mortar joint, this gives approximately 60 bricks per square meter. Select 'UK Standard' in the brick size dropdown to use these dimensions.

What is the standard India brick size?

The standard India brick size is 9 × 4.5 × 3 inches (228 × 114 × 71mm). To use this size, select 'Custom' in the brick size dropdown and enter these dimensions. The calculator will then compute accurate brick counts for Indian standard bricks.

How do I calculate bricks for a circular wall?

Calculate the circumference (π × diameter) and enter that as the wall length. Add 15–20% extra wastage for the additional cuts curved walls require. Our calculator handles the rest — just input the circumference as your wall length.

Is this calculator free?

Yes, 100% free forever. No account, no signup, no limits. Enter your dimensions and get instant brick counts, mortar bag estimates, wastage calculations, and cost estimates — all completely free.