Does wire thickness matter?
Wire diameter only impacts resistance. Inductance depends on turns, area, length, and core permeability.
Step-by-step walkthrough
Inductance Calculator Guide
Use this companion guide beside the interactive calculator to make sure you understand the “why” behind every click. Each section includes the classroom explanation, student-friendly language, and quick practice prompts.
Before you start
Collect the data points listed below and double-check their units. Keeping an organized “givens” list is one of the fastest ways to reduce math errors and impress exam graders.
- inductance
- coil
- henry
Detailed procedure
Step 1
Enter the number of turns and coil dimensions.
Step 2
Pick a core material to set the relative permeability or type a custom value.
Step 3
Review inductance in henries with millihenry and microhenry conversions.
Teaching & troubleshooting tips
Can I use this for toroidal cores?
The formula targets solenoid coils. Modify inputs or use toroid-specific equations for best accuracy.