Pro Article or Calculators
Pump Head & Pressure Calculator PRO: compute TDH, friction loss, cost & standards (NFPA, ASHRAE, IS, CPWD) with full international presets.
Pump Head & Pressure Calculator PRO – International Read More »
Railway Cant Calculator for required cant, allowable speed, and transition length—SI/Imperial units, presets, reverse mode.
Railway Cant Calculator: Deficiency & Transition Length Read More »
Lighting Load Calculator explained with purpose, operation, sample project, and step-by-step calculations for engineers, students, and designers.
Lighting Load Calculator – Step-by-Step Guide & Usage Read More »
Short Circuit & Voltage Drop Calculator helps size cables, breakers & panels with %VD checks, ampacity derating, and SCCR verification.
Short Circuit & Voltage Drop Calculator — PRO Guide Read More »
Concrete Mix Design Calculator explained step by step with IS, ACI & BS standards. Learn mix design basics, jargon, and full sample calculation.
Concrete Mix Design Calculator — International PRO Guide Read More »
Masonry Estimator PRO helps calculate masonry, plaster & paint with IS, ASTM, BS EN, and GCC standards. Accurate costs, materials & reports made simple.
Brickwork Estimator PRO – International Standards Guide Read More »
Multi-Section Head Calculator simplifies pipe and fittings design by combining friction loss, elevation head, and total head in one step-by-step tool.
Multi-Section Head Calculator for Pipes and Fittings Read More »
Opposed-Airflow Velocity NFPA 92 Calculator helps you size openings, check smoke control flow, and generate step-by-step reports with assumptions.
Opposed-Airflow Velocity NFPA 92 Calculator Guide Read More »
Elevator Hoistway Pressurization explained—NFPA rules, recall-floor pressures, door-force limits, and design tips for safe smoke containment.
Elevator Hoistway Pressurization: Recall-Floor Guide Read More »
Steel Pipes Expansion Loops Calculator to size U/L loops from ΔT and OD, estimate offset, added length, weight and cost—plus SI/Imperial toggle and report.
Steel Pipes Expansion Loops Calculator – Size & Cost Read More »