Inductors in Parallel Calculator
Calculate the total inductance of inductors connected in parallel
Enter values in microhenries (µH), separated by commas
How to Use This Calculator
Enter Inductor Values
Enter the inductance values in microhenries (µH), separated by commas. For example: 100, 200, 300
Calculate Total
Click the calculate button to get the total inductance when these inductors are connected in parallel.
View Results
The result shows the total inductance. The total is always less than the smallest inductor.
Formula
1/Ltotal = 1/L1 + 1/L2 + 1/L3 + ...
Ltotal = 1 / (1/L1 + 1/L2 + 1/L3 + ...)
Where:
- Ltotal = Total inductance (H)
- L1, L2, L3 = Individual inductances (H)
Special Case - Two Inductors:
Ltotal = (L1 × L2) / (L1 + L2)
Example:
Inductors: 100 µH, 200 µH, 300 µH
1/Ltotal = 1/100 + 1/200 + 1/300 = 0.01 + 0.005 + 0.00333 = 0.01833
Ltotal = 1 / 0.01833 = 54.55 µH
About Inductors in Parallel Calculator
The Inductors in Parallel Calculator calculates the total inductance when multiple inductors are connected in parallel. When inductors are in parallel, the total inductance is always less than the smallest individual inductor, similar to parallel resistors.
When to Use This Calculator
- Circuit Design: Calculate total inductance in parallel inductor networks
- Filter Design: Design filters with parallel inductors
- Educational Purposes: Learn about parallel inductor connections
Why Use Our Calculator?
- ✅ Accurate Calculations: Uses correct parallel inductance formula
- ✅ Multiple Inductors: Handles any number of parallel inductors
- ✅ Easy to Use: Simple comma-separated input
- ✅ Free Tool: No registration required
Tips for Accurate Results
- Enter all inductance values in microhenries (µH)
- Total inductance is always less than the smallest inductor
- For equal inductors, total = L / n (where n is number of inductors)
Frequently Asked Questions
Why does parallel connection reduce inductance?
Parallel inductors provide multiple paths for current, reducing the effective inductance. The formula is similar to parallel resistors - the reciprocal of total inductance equals the sum of reciprocals.
What if I have equal inductors?
For n equal inductors in parallel, total inductance = L / n. For example, two 100µH inductors in parallel give 50µH total.
Does mutual inductance affect parallel inductors?
If inductors are magnetically coupled (close together), mutual inductance affects the calculation. This calculator assumes no coupling (isolated inductors).