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Flux Density Graphs
International Magnetic Solutions has created this on-line calculator to analyse a range of common magnetic applications and generate graphs of magnetic flux density (induction) / force / current etc.
Magnetic electrical and electro-magnet calculations on-line from International Magnetic Solutions - providing flux density magnetizing force current etc

In this section we have set up a program offering many useful magnetic analyses, as follows:

  • Flux density at a distance from a single rectangular magnet
  • Flux density at a distance from a single rod magnet
  • Flux density at a distance from a single steel-backed rectangular magnet
  • Flux density at a distance from a single steel-backed rod magnet
  • Flux density between 2 rectangular magnets facing each other
  • Flux density between 2 rod magnets facing each other
  • Flux density between 2 rectangular magnets facing each other with steel path
  • Flux density between 2 rod magnets facing each other with steel path
  • Force at a distance from a single rectangular magnet
  • Force at a distance from a single rod magnet
  • Force at a distance from a single steel-backed rectangular magnet
  • Force at a distance from a single steel-backed rod magnet
  • Electrical - magnetic analysis of 3-legged circuit
  • Flux density vs magnetizing force for mild steel
  • Smallest magnet to deliver a specified flux density
  • Breakaway force for a rectangular magnet on steel
  • Flux density at a distance from a single current-carrying conductor

For full details please see the documentation pages.

To use the program you need to complete the registration form to enter your details. We require this information to gauge the interest level, and how useful this page is, in determining any future development on this site. You will be able to access the program shortly after you complete the form.

If you have already registered, please type your login name and password in the spaces below (or just click "Enter" if you have previously asked us to remember your login while using this machine).

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If you prefer you can preview the program without registering by clicking on the link below (this offers a limited range of analyses and options):