Bhewal Group — Professional Construction Calculator

🧮 Calculators

All Tools in One Place

Pick any calculator below. UAE, Pakistan & India standards pre-loaded.

🏠

Whole House

Brick & Block

🧱

Single Wall Brick

UAE/PK/IN Standards

⬜

Block / CMU

Concrete Blocks

🪣

Mortar

Cement & Sand

🏗️

Concrete

Slabs & Columns

🖌️

Plaster

Wall & Ceiling

🟫

Tiles

Flooring & Wall

🎨

Paint

Litres needed

🔩

Steel / Rebar

Weight & Length

⛏️

Excavation

Volume & Bulking

🏢

Slab / Column

Concrete Elements

💰

Cost Estimator

Total Material Cost

🏠

Whole House Brick & Block Calculator

Room-by-room layout with window, door & gate deductions

🏡 Step 1: Select House Layout Style

💡 Select how your rooms connect. This determines which walls are shared (no double-counting).

🔴🔴🔴Linear (Row)

🔴🔴
🔴⬛L-Shape

🔴⬛🔴
🔴🔴🔴U-Shape

🔴🔴
🔴🔴Square / Grid

🔴 🔴
🔴 🔴All Independent

🧱 Step 2: Select Material & Standard

Length (mm)

Width/Thickness (mm)

Height (mm)

Joint Size (mm)

Default Wall Height (m)Applied to all rooms unless overridden

Wall Thickness (m)0.23 m = one-brick wall

Mortar Joint (mm)

Wastage (%)

🏠 Step 3: Add Rooms & Their Openings

Each row = one room. Enter dimensions and the number of windows, doors, and gates to deduct from wall area.

Room Name

Len (m)

Wid (m)

Hgt (m)

Doors

Windows

Del

🚪 Default Opening Sizes (used when deducting)

Door Width (m)

Door Height (m)

Window Width (m)

Window Height (m)

Main Gate Width (m)

Main Gate Height (m)

📊 Whole House Results

⚠️ Shared walls between attached rooms are counted once only (50% of shared wall per side). Consult a licensed structural engineer for structural design.

🧱

Single Wall Brick Calculator

UAE, Pakistan & India brick standards

🧱 Step 1: Select Brick Standard & Size

💡 UAE/Gulf: 230×115×75mm. Pakistan: 228×114×76mm (standard) or 215×102×65mm. India: 190×90×90mm (IS 1077). Choose or enter custom size.

✏️ Custom Brick Dimensions

Length (mm)

Width (mm)

Height (mm)

Wall Length (m)

Wall Height (m)

Wall Thickness (m)0.23=1-brick | 0.115=half-brick

Mortar Joint (mm)

Wastage (%)

No. of Doors

Door W (m)

Door H (m)

No. of Windows

Window W (m)

Window H (m)

No. of Gates

Gate W (m)

Gate H (m)

📊 Brick Results

Gross Area = L × H Opening Area = (nDoors×dW×dH) + (nWins×wW×wH) + (nGates×gW×gH) Net Volume = (Gross Area − Opening Area) × Wall Thickness Brick Module Vol = (bL+joint) × (bH+joint) × (bW+joint) Net Bricks = ceil(Net Volume ÷ Brick Module Vol) Purchase = ceil(Net Bricks × (1 + Wastage%)) Mortar vol estimated as total vol minus net brick solid volume.

⚠️ Estimate for quantity planning. Consult a licensed civil engineer for structural walls.

⬜

Block / CMU Calculator

Concrete Masonry Units — UAE & International standards

⬜ Step 1: Select Block Size

💡 400×200×200mm is UAE standard. Hollow blocks are lighter and thermally superior. Solid blocks for load-bearing. Pakistan: 400×200×200 or 390×190×190 (ASTM). India: 400×200×200 (IS 2185).

⬜

Standard

400×200×200 mm

🇦🇪🇵🇰🇮🇳 Standard ⭐

▬

Thin Block

400×100×200 mm

Partition

▪️

Medium

400×150×200 mm

Semi-load

🟫

Large

500×200×200 mm

Heavy Duty

🔲

ASTM 8"

390×190×190 mm

ASTM C90 / PK

🟪

Solid Block

200×200×400 mm

Load-bearing

✏️

Custom

Enter your own

Any size

✏️ Custom Block Face Dimensions

Face Length (mm)

Face Height (mm)

Wall Length (m)

Wall Height (m)

Mortar Joint (mm)

Wastage (%)

No. of Doors

Door Area (m²) each0.9×2.1 = 1.89 m²

No. of Windows

Window Area (m²) each1.2×1.2 = 1.44 m²

Additional Openings Area (m²) — e.g. gates, arches

📊 Block Results

Opening Area = (nDoors×doorArea) + (nWins×winArea) + extraOpenings Net Area = (L×H) − Total Opening Area Block Face = (BlockL+Joint) × (BlockH+Joint) Net Blocks = ceil(Net Area ÷ Block Face) Purchase = ceil(Net Blocks × (1 + Wastage%))

⚠️ Estimate only. Verify with a structural engineer for load-bearing block walls.

🪣

Mortar Calculator

Cement bags and sand for mortar mix

⚖️ Select Mix Ratio

💡 1:4 is most common for brickwork. Use 1:3 for waterproofing and external. 1:6 for internal plastering and light work.

💧

1:3 Rich

Cement : Sand

Waterproof

🪣

1:4 Standard

Cement : Sand

Brickwork ⭐

🟡

1:5 General

Cement : Sand

General

🟤

1:6 Lean

Cement : Sand

Internal

⚪

1:8 Bedding

Cement : Sand

Lean

Net Mortar Volume (m³)Enter the net wet mortar volume needed

Cement Bag Size

Wastage (%)10% standard for mortar

📊 Mortar Results

Dry Volume = Wet Volume × 1.33 Cement Vol = (C/(C+S)) × Dry Vol × (1+wastage) Cement Weight = Cement Vol × 1440 kg/m³ Bags = ceil(Cement Weight ÷ Bag Size) Sand Vol = (S/(C+S)) × Dry Vol × (1+wastage) Factor 1.33 accounts for reduction in volume when dry materials fill wet space.

⚠️ Dry factor 1.33 is industry standard. Varies with aggregate grading and workmanship.

🏗️

Concrete Calculator

Volume and materials for slabs, columns, footings

🏗️ Select Concrete Grade

💡 M20 (1:1.5:3) is standard for residential slabs. M25 for columns and beams.

⚪

M10

1:3:6

Blinding

🟡

M15

1:2:4

Lean

🟠

M20

1:1.5:3

Slabs ⭐

🔴

M25

1:1:2

Columns

🟣

M30

1:0.75:1.5

High Strength

Element Type

Length (m)

Width (m)

Depth / Height (m)

Quantity (nos)

Wastage (%)

📊 Concrete Results

Volume = L × W × D × Qty Purchase Vol = Volume × (1 + Wastage%) Dry Volume = Purchase × 1.54 Cement = (C/Total) × Dry Vol × 1440 kg/m³ Densities: Cement 1440 | Sand 1450 | Aggregate 1500 kg/m³

⚠️ Nominal mix estimates. Structural concrete must use approved design mix by a licensed engineer.

🖌️

Plaster Calculator

Cement and sand for wall and ceiling plaster

📏 Select Plaster Thickness

💡 External walls: 15–20mm (1:3). Internal walls: 12mm (1:4). Ceilings: 6–10mm (1:4 or 1:6).

▫️

6 mm

Skim / Ceiling

Thin coat

▪️

12 mm

Standard Internal

Most common ⭐

🟥

15 mm

External / Rough

External

🔲

20 mm

Heavy / Block

Block walls

Wall Length (m)

Wall Height (m)

Thickness (mm)

Mix Ratio (C:S)

Openings Area (m²)Total door+window areas

Wastage (%)

📊 Plaster Results

Net Area = (L×H) − Openings Wet Volume = Net Area × Thickness Dry Volume = Wet Vol × 1.27 Cement = (1/(1+Ratio)) × Dry Vol × (1+wastage) × 1440 Sand = (Ratio/(1+Ratio)) × Dry Vol × (1+wastage)

⚠️ Varies with surface absorption, mix consistency and workmanship.

🟫

Tiles / Flooring Calculator

Number of tiles and boxes needed

🟫 Select Tile Size

💡 600×600mm popular for living rooms. 300×300 for bathrooms. For diagonal laying add 15% extra wastage.

🟫

600×600

0.36 m²/tile

Living Room ⭐

🔲

300×300

0.09 m²/tile

Bathroom

◼️

450×450

0.20 m²/tile

Medium

▬

600×1200

0.72 m²/tile

Modern

🟤

800×800

0.64 m²/tile

Large Format

▪️

300×600

0.18 m²/tile

Wall Tiles

✏️

Custom

Enter your own

Any size

Tile Length (mm)

Tile Width (mm)

Room Length (m)

Room Width (m)

Tiles per Box

Wastage / Cutting (%)10% straight, 15% diagonal

Deduct Area (m²)

📊 Tile Results

Net Area = (L×W) − Deductions Purchase Area = Net Area × (1 + Wastage%) Tiles = ceil(Purchase Area ÷ Tile Area) Boxes = ceil(Tiles ÷ Tiles per Box)

⚠️ Add 15% for diagonal patterns. Verify tiles per box with your supplier.

🎨

Paint Calculator

Litres needed for walls and ceiling

🎨 Select Coverage Rate

💡 Emulsion/Matt: 10–14 m²/L per coat. Gloss: 12–16. Textured: 4–8. Always check your paint tin.

🌿

6 m²/L

Textured/Masonry

Exterior

🎨

10 m²/L

Thick Emulsion

Low coverage

🖌️

12 m²/L

Standard Emulsion

Most common ⭐

✨

14 m²/L

Premium Paint

Good quality

Room Length (m)

Room Width (m)

Room Height (m)

Number of Coats

Coverage (m²/Litre)

Doors CountStd door = 1.89 m²

Windows CountStd window = 1.44 m²

Paint Ceiling?

📊 Paint Results

⚠️ Coverage varies by surface absorption, paint brand and number of coats. Always check tin label.

🔩

Steel / Rebar Calculator

Weight and length of reinforcing bars

🔩 Select Bar Diameter

💡 Use formula D²/162.28 for unit weight (kg/m). Grades: Fe250, Fe415 (India/Pak) or Grade 60 (Gulf). Standard stock: 6m or 12m bars.

🔸

8 mm

0.395 kg/m

Links/Stirrups

🔶

10 mm

0.617 kg/m

Light slab

🔩

12 mm

0.888 kg/m

Common ⭐

🔧

16 mm

1.578 kg/m

Beams

⚙️

20 mm

2.467 kg/m

Columns

🔑

25 mm

3.855 kg/m

Heavy column

🔒

32 mm

6.313 kg/m

Foundation

Bar Diameter (mm)

Bar Length (m)

Number of Bars

Wastage / Laps (%)Include lap length ~5%

📊 Steel Results

Unit Weight (kg/m) = D² ÷ 162.28 Net Length = Bar Length × No. of Bars Total Length = Net Length × (1 + Wastage%) Total Weight = Total Length × Unit Weight D = diameter in mm. Formula from steel density 7850 kg/m³.

⚠️ Lap lengths per IS 456, ACI or BS 8110. Add separately if required.

⛏️

Excavation Calculator

Volume and bulking for earthworks

Length (m)

Width (m)

Depth (m)

Quantity (nos)

Bulking Factor (%)Soil swells 20–40% when dug

📊 Excavation Results

⚠️ Bulking factor varies by soil type. Clay: 30–40%, sand: 10–15%, rock: 50–60%.

🏢

Slab / Column Concrete

Quick concrete material estimator

Concrete Grade

Length (m)

Width (m)

Depth / Thickness (m)

Quantity (nos)

📊 Slab/Column Results

⚠️ Nominal mix estimate. Use approved design mix for structural elements.

💰

Material Cost Estimator

Total cost from quantities and prices

Currency

Bricks (nos)

Price / brick

Cement Bags

Price / bag

Sand (m³)

Price / m³ sand

Aggregate (m³)

Price / m³ agg.

Ready Mix (m³)

Price / m³ concrete

Steel (kg)

Price / kg steel

Tiles (m²)

Price / m² tiles

Paint (litres)

Price / litre paint

📊 Cost Summary

⚠️ Material costs only. Labour, equipment, transport and overhead not included.

🧪 Regression Tests

Verify all calculator formulas pass automated checks

⭐ Why Bhewal

Professional. Transparent. Free.

🏠

Whole-House Estimator

Design room-by-room layout with wall sharing logic. Enter doors, windows, and gates to deduct automatically.

🌏

3 Brick Standards

UAE/Gulf, Pakistan (228×114×76 & 215×102×65), and India (IS 1077) brick sizes pre-loaded. Custom sizes also supported.

📐

Transparent Formulas

Every result shows the exact formula, conversion factors and assumptions — no hidden math.

🌍

3 Languages

English, Arabic (RTL), and Urdu (RTL). Serving UAE, Pakistan, India and GCC professionals.

✅

Regression-Tested

All formulas verified with automated regression tests. Brick, block, mortar, concrete, plaster, tiles, steel — all passing.

💰

Multi-Currency Cost

Enter prices in AED, PKR, INR, USD, SAR or GBP and get instant material cost summaries.

🚀 How It Works

3 Simple Steps

1

Choose Calculator

Pick from 12 calculators including the new Whole House estimator with room-by-room design.

2

Select Standard & Enter Dimensions

Choose UAE, Pakistan or India brick/block standard, enter room dimensions, add doors, windows, and gates.

3

Get Results

Instant quantities with full formula breakdown, wastage allowance, purchase recommendation and cost estimate.

📞 Contact

Get In Touch

Questions? Need help with a project? WhatsApp us directly.

💬

+971 55 642 3655

📍

Location

Dubai, United Arab Emirates 🇦🇪

🌐

Website

bhewal.com

🕐

Response

Usually within 1 hour

💬

Chat on WhatsApp

Construction queries, calculator help, project discussions — reach Bhewal Group directly.

💬 Start WhatsApp Chat +971 55 642 3655

Construction Calculator by BhewalUAE · Pakistan · India · GCC Standards

All Tools in One Place

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3 Simple Steps

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