Inductors in Series Calculator

Find total inductance of inductors in series.

Total inductance (mH) 30

Formula: L = L₁ + L₂ + L₃

Step-by-step with your numbers:

1. Values used:

2. Inductor 1 = 10 mH

3. Inductor 2 = 20 mH

4. Inductor 3 = 0 mH

6. Total inductance = Inductor 1 + Inductor 2 = 10 + 20 = 30mH

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Inductors in series add up, just like resistors in series.

The math behind it

L_total = L₁ + L₂ + … (assuming no mutual coupling).

10 mH + 20 mH → 30 mH.

What about mutual inductance?

Magnetic coupling between coils adds or subtracts depending on orientation.