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Calculators that tell the truth

No hidden math. See exactly what your project needs — with full calculation steps.

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Brick Calculator

Bricks, cement bags & sand for any wall — feet/inch or meter/cm, any mortar ratio.

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Tile Calculator

Tiles & boxes for any floor. All standard sizes, wastage and packing included.

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Paint Calculator

Paint, primer & putty in litres — sq ft or sq m, with coats and coverage.

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Cement Calculator

Cement bags, sand & aggregate for concrete (M15/M20/M25) or mortar.

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Water Tank Calculator

Tank capacity in litres & gallons — rectangular or cylindrical tanks.

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Plaster Calculator

Cement & sand for wall plaster — thickness, ratio, coats and wastage.

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Land Area Converter

Marla, Kanal, Acre to sq ft, sq m, hectare — plus Guntha, Cent & more.

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All Calculators

Browse every free construction calculator in one place.

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Field Guides

67 practical guides — lab tests, site methods, estimation and standards.

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Written by a working civil engineering technologist, not a content mill.

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Made for Pakistan & India

Marla, Kanal, standard brick sizes and local construction practices.

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Full working shown

Every number explained step-by-step — verify everything yourself.

Estimate smarter in 3 steps

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Measure

Enter your wall, floor or plot dimensions in feet/inch or meter/cm.

2

Calculate

Get instant material quantities with complete step-by-step working.

3

Build

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Latest field guides

Practical lab tests, site methods and estimation guides — with pictures from real sites.

Penetration Test of Bitumen: Apparatus, Procedure, Grades & Standards

Penetration Test of Bitumen: Apparatus, Procedure, Grades & Standards

Complete guide to the penetration test of bitumen: apparatus, procedure, calculation, penetration grades…

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Subgrade Preparation for Achieving Compaction: Procedure, Equipment & Field Control

Subgrade Preparation for Achieving Compaction: Procedure, Equipment & Field Control

How to prepare subgrade to achieve required compaction: scarifying, moisture conditioning to OMC…

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Core Cutter Test for Soil Compaction: Apparatus, Procedure & Calculation

Core Cutter Test for Soil Compaction: Apparatus, Procedure & Calculation

Core cutter test explained: apparatus, IS 2720 Part 29 / ASTM D2937 / BS 1377-9 procedure, volume…

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Road Marking (Lining): Types, Materials, and Application Guide

Road Marking (Lining): Types, Materials, and Application Guide

Road lining explained: marking types (centre, lane, edge lines, zebra crossings), colours…

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Civil Technologist vs Civil Engineer – What’s the Difference?

Civil Technologist vs Civil Engineer – What’s the Difference?

Civil technologist vs civil engineer — education, work limits, job roles, higher posts…

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Compressive Strength of Concrete: Cube vs Cylinder Test, Formula & Acceptance Criteria

Compressive Strength of Concrete: Cube vs Cylinder Test, Formula & Acceptance Criteria

Compressive strength of concrete: f’c and fck explained, cube vs cylinder test, f = P/A formula…

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Civil Technologist provides educational construction information and estimation tools only — not professional engineering advice. Calculations are indicative; always verify with your site engineer. See our Privacy Policy.