Free Online Engineering Calculator
Fast and accurate calculators for engineers and students

Browse Online Engineering Calculators


Why Use EngCal Engineering Calculators?

Engineering calculations are essential in analysis, design, and troubleshooting. EngCal provides a growing collection of calculators that simplify complex formulas into easy-to-use tools. Whether you are studying electrical engineering or working in the field, our calculators help you save time while understanding the theory behind each calculation.

  • Accurate results based on standard engineering equations
  • Clear explanations and formulas for learning
  • Fast performance on desktop and mobile devices
  • No registration or downloads required
  • Free to use for educational and professional purposes

Engineering Calculator Categories

EngCal currently offers calculators across multiple engineering domains, including electrical fundamentals, power systems, electrical machines, power electronics, and energy efficiency. These tools are suitable for academic use, exam preparation, and practical engineering calculations.

All calculators on EngCal are intended for educational and reference purposes. While every effort is made to ensure accuracy, users are encouraged to verify results before applying them in real-world designs or installations.