Civil Engineering Calculators — Brick, Cement, Steel, Concrete

Foundation 3 calculators ▾

Excavation Volume

Earth removed for foundation trenches or pits

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Length (m)

Width (m)

Depth (m)

Shape

PRO

No. of Pits

Side Slope (H:V)

Excavation Volume

—

With 20% bulkage factor—

Truck loads (5 m each)—

Approx. disposal cost—

IS 1200 Part-1 — Excavation Cheat Sheet Free

IS 1200 Part-1: Measurement of Earthwork

Loose earth bulkage+20–25%

Trench width ≤ 1.5mMeasured as trench excavation

Side slope in ordinary soil1:1 (H:V)

Hard rock — no slopeVertical face allowed

Measurement unitm³ (cubic metres)

Column Footing Concrete

Concrete volume for isolated footings

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No. of Footings

Grade

Footing L (m)

Footing W (m)

Footing Depth (m)

Pedestal H (m)

PRO

Pedestal Size (m)

Footing Type

Footing Concrete

—

Cement bags—

Sand (m³)—

Aggregate 20mm (m³)—

Estimated concrete cost—

IS 456 — Footing Design Cheat Sheet Free

IS 456:2000 — Plain & Reinforced Concrete

Min footing depth750mm below NGL

M20 — cement bags/m³8.2 bags (50 kg)

M20 — w/c ratio max0.55

Min clear cover (footing)50mm

Nominal mix M201:1.5:3

Water Tank Size

Capacity & dimensions for overhead or sump tank

▾

No. of Persons

Days Storage

Usage (lpcd)

Tank Type

Required Capacity

—

Recommended L × W × H—

Daily requirement—

Sump capacity (if any)—

IS 1172 — Water Supply Cheat Sheet Free

IS 1172:1993 — Basic Requirements for Water Supply

Urban domestic (IS)135 lpcd

Rural domestic (IS)40–70 lpcd

Overhead tank — 1/3 daily45 L/person

Sump — 2/3 daily90 L/person

Min freeboard200mm

Structure 5 calculators ▾

Concrete Mix Design

Cement, sand & aggregate quantities per grade

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Grade

Volume (m³)

Wastage %

Aggregate Size

Mix Quantities

—

Sand (m³)—

Aggregate (m³)—

Water (litres)—

Estimated cost (ready-mix)—

IS 10262 — Mix Design Cheat Sheet Free

IS 10262:2019 — Concrete Mix Proportioning

M10 — bags/m³ (nominal)4.4 bags

M15 — bags/m³5.8 bags

M20 — bags/m³8.2 bags

M25 — bags/m³10.1 bags

Dry volume factor× 1.54

w/c ratio — M200.55 max

Steel / Rebar Estimator

Quantity of steel for RCC construction

▾

Built-up Area (sqft)

Structure Type

No. of Floors

Grade of Steel

PRO

Override thumb rule — enter element-wise breakup

Footing %

Column %

Beam %

Slab %

Total Steel Required

—

Per sqft (thumb rule)—

Approx. cost @₹65/kg—

TMT bars (12m, 16mm dia)—

IS 1786 — Steel Grade Cheat Sheet Free

IS 1786:2008 — High Strength Deformed Bars

RCC framed — thumb rule3.5–5 kg/sqft

Fe500D — yield strength500 N/mm²

Min lap length50× bar dia

Wt of 12mm bar / m0.888 kg

Wt of 16mm bar / m1.580 kg

Wt of 20mm bar / m2.469 kg

Brick Count

Bricks, cement & sand for masonry walls

▾

Wall Length (m)

Wall Height (m)

Wall Thickness

Brick Type

PRO

Doors (0.9×2.1m each)

Windows (1.2×1.2m each)

Mortar Ratio

Bricks Required

—

With 5% wastage—

Cement bags (mortar)—

Sand (m³)—

Approx cost—

IS 2212 — Brick Masonry Cheat Sheet Free

IS 2212:1991 — Code of Practice for Brick Work

Modular bricks / m³ (230mm wall)500 bricks

Modular bricks / m² (115mm wall)60 bricks

Mortar thickness (IS)10mm

Min compressive strength (class A)10 N/mm²

Water absorption max20%

Staircase Calculator

Steps, going length & concrete volume

▾

Floor Height (m)

Riser Height (mm)

Tread Width (mm)

Stair Width (m)

PRO

Waist Slab Thickness (mm)

Concrete Grade

Staircase Summary

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Going (horizontal run)—

Concrete volume—

Steel (thumb rule)—

Check: 2R + T—

NBC / IS 456 — Staircase Rules Free

NBC 2016 — Staircase Requirements

Min riser height100mm

Max riser height190mm (residential)

Min tread (residential)250mm

Comfort rule: 2R + T= 600–650mm

Min stair width1000mm (residential)

Max flight (no landing)16 risers

Cement Bags (Slab/Wall)

Cement quantity for a given area & thickness

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Area (sqft)

Thickness (mm)

Grade

Cement Type

Cement Required

—

Volume (m dry)—

Sand (m³)—

Aggregate (m³)—

Finishing 4 calculators ▾

Paint Area

Paintable area & litres of paint required

▾

Carpet Area (sqft)

Ceiling Height (ft)

No. of Doors (std 3×7ft)

No. of Windows (4×4ft)

Coats

Paint Coverage (sqft/L)

Paint Required

—

Total paintable area—

20L buckets needed—

Putty & primer (rolls)—

⬜

Tiles / Flooring

Boxes & adhesive for any tile size

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Room Area (sqft)

Tile Size

Wastage %

Tiles per Box

Tiles Required

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Boxes (incl. wastage)—

Tile adhesive (bags)—

Grout (kg)—

Plaster Calculator

Cement & sand for internal / external plaster

▾

Area (sqft)

Type

Thickness (mm)

Mix Ratio (1:X)

Plaster Materials

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Sand (m³)—

Sand (cubic feet)—

Plaster area—

Carpet Area Calculator

Carpet → built-up → super built-up area

▾

Known Area (sqft)

Area Type (input)

Property Type

PRO

Wall thickness %

Loading factor %

Area Breakdown

—

Built-up Area—

Super Built-up Area—

Efficiency ratio—

RERA — Area Definitions Cheat Sheet Free

RERA 2016 — Standard Area Definitions

Carpet area (RERA)Usable floor area within walls

Built-up areaCarpet + wall thickness (~10%)

Super built-upBuilt-up + common areas (15–25%)

Typical efficiency (apt)70–75%

Typical efficiency (villa)80–85%

Calculate like a
pro engineer

IS 1200 Part-1: Measurement of Earthwork

IS 456:2000 — Plain & Reinforced Concrete

IS 1172:1993 — Basic Requirements for Water Supply

IS 10262:2019 — Concrete Mix Proportioning

IS 1786:2008 — High Strength Deformed Bars

IS 2212:1991 — Code of Practice for Brick Work

NBC 2016 — Staircase Requirements

RERA 2016 — Standard Area Definitions

IS Code Library

Calculate like apro engineer

IS 1200 Part-1: Measurement of Earthwork

IS 456:2000 — Plain & Reinforced Concrete

IS 1172:1993 — Basic Requirements for Water Supply

IS 10262:2019 — Concrete Mix Proportioning

IS 1786:2008 — High Strength Deformed Bars

IS 2212:1991 — Code of Practice for Brick Work

NBC 2016 — Staircase Requirements

RERA 2016 — Standard Area Definitions

Calculate like a
pro engineer