Coil Calculator
Calculate inductance, wire length, number of turns, and coil dimensions for air core and ferrite core inductors. Design optimal coils for your applications.
Coil Calculator
Calculation Results
Coil Parameters
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How to Use This Calculator
Select Calculation Type
Choose what you want to calculate: inductance from turns, turns from inductance, or wire length from turns.
Choose Coil Type
Select air core for no magnetic core or ferrite core for magnetic core applications.
Enter Parameters
Input the required coil dimensions, wire specifications, and operating frequency.
Select Core Material
For ferrite cores, choose the appropriate material or enter custom relative permeability.
Review Results
The calculator shows inductance, Q factor, wire length, and other coil parameters.
Analyze Performance
Use the analysis charts to understand coil behavior across different frequencies.
Save Calculations
Your calculations are automatically saved to history for future reference and comparison.
Tips
- • Inductance increases with more turns and larger coil diameter
- • Air core coils have lower inductance but higher Q factor than cored coils
- • Ferrite cores increase inductance but may reduce Q factor due to losses
- • Wire length affects DC resistance and Q factor
Important Notes
- • Calculations assume ideal conditions
- • Real coils have parasitic effects
- • Temperature affects wire resistance
- • Consider safety margins for high current applications