Calculators that tell the truth
No hidden math. See exactly what your project needs — with full calculation steps.
Brick Calculator
Bricks, cement bags & sand for any wall — feet/inch or meter/cm, any mortar ratio.
Steel Bar Weight Calculator
Steel bar weight by diameter & length — all standard bar sizes in kg/m.
Latest field guides
Practical lab tests, site methods and estimation guides — with pictures from real sites.
Penetration Test of Bitumen: Apparatus, Procedure, Grades & Standards
Complete guide to the penetration test of bitumen: apparatus, procedure, calculation, penetration grades…
Subgrade Preparation for Achieving Compaction: Procedure, Equipment & Field Control
How to prepare subgrade to achieve required compaction: scarifying, moisture conditioning to OMC…
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…
Road Marking (Lining): Types, Materials, and Application Guide
Road lining explained: marking types (centre, lane, edge lines, zebra crossings), colours…
Civil Technologist vs Civil Engineer – What’s the Difference?
Civil technologist vs civil engineer — education, work limits, job roles, higher posts…
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…