1. What is a Total Inductance Calculator?

Definition: This calculator computes the total inductance when inductors are connected in series.

Purpose: It helps electrical engineers, technicians, and hobbyists determine the combined inductance in a circuit.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( L_{total} \) — Total inductance (Henries)
• \( L_i \) — Individual inductances (Henries)

Explanation: When inductors are connected in series, their inductances simply add up. This is different from parallel connections where the reciprocals add.

3. Importance of Inductance Calculation

Details: Proper inductance calculation is crucial for designing filters, tuning circuits, and ensuring proper operation of electronic devices.

4. Using the Calculator

Tips: Enter at least one inductance value. You can add up to three inductances. Values must be ≥ 0. The result is displayed in Henries (H).

5. Frequently Asked Questions (FAQ)

Q1: Does this work for parallel inductors?
A: No, this calculator is for series connections only. Parallel inductors use a different formula (reciprocal of the sum of reciprocals).

Q2: What units should I use?
A: The calculator uses Henries (H), but you can enter millihenries (mH) or microhenries (µH) by converting them to Henries first.

Q3: How many inductors can I calculate?
A: This calculator handles up to 3 inductors, but the principle works for any number of series inductors.

Q4: What if inductors are coupled?
A: This calculator assumes no mutual inductance between components. Coupled inductors require additional calculations.

Q5: Why is precision important in inductance?
A: Small differences in inductance can significantly affect circuit behavior, especially in RF and filter applications.