Formula library

Magnetism formulas

Choose a subcategory

Move from a broad subject area to the specific formula you need.

Magnetism studies magnetic fields, magnetic forces, and the interaction between magnetic materials, electric currents, and electromagnetic systems. This section contains formulas and scientific calculations used to analyze magnetic flux, flux density, magnetic field strength, permeability, inductance, magnetic circuits, and electromagnetic forces.


Users can calculate magnetic field intensity, magnetic flux, reluctance, inductance, stored magnetic energy, force between magnetic elements, and other parameters commonly encountered in electrical engineering and applied physics. These calculations are essential for understanding the behavior of transformers, motors, generators, electromagnets, sensors, and power system components.


Magnetic calculations are widely used in electrical equipment design, renewable energy systems, industrial automation, telecommunications, transportation, scientific instrumentation, and research laboratories. They help engineers and scientists evaluate magnetic performance, optimize device efficiency, and verify electromagnetic operating conditions.


The formulas and online calculators available in this section provide practical tools for technical calculations involving magnetic systems. They serve as a useful engineering reference for students, technicians, researchers, physicists, and engineers working with electromagnetic devices, energy conversion systems, and magnetic materials.

fCalc · Android

Take this formula to fCalc and evaluate it directly on your Android device.

Get it on Google Play

Content language

EnglishSpanish