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Electrical

Inductive Reactance Calculator

Find an inductor’s reactance at an AC frequency.

Ideal component relationshipsUnits and assumptions explained below
Circuit workbench
Circuit workbench

Keep RMS, peak and DC values distinct.

See the method

Enter circuit values

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Your circuit result

Your result

Let’s calculate.

Use the Calculate button to see your result.

Review the method below for assumptions and conventions.

How to use this tool

  1. Enter frequency, inductance.
  2. Select Calculate to view the result.
  3. Check the method and assumptions below before using the result.

Input reference and sample values

Use the units and choices shown for each field. Sample values are provided for practice, not as recommendations.

InputFormat and unitsSample
FrequencyNumeric value. Unit: Hz. Must be greater than zero.50
InductanceNumeric value. Unit: H. Must be greater than zero.0.1

Result for these sample inputs

31.4159265 Ω

Select Try the example in the form to load these values and calculate them again. This replaces the current form inputs. Compare the result with the method and worked explanation below.

The method, explained

Reactance = 2π × frequency × inductance.

A WORKED EXAMPLE

Using frequency = 50 Hz, inductance = 0.1 H, the result is 31.4159265 Ω. Change these example inputs to match your task; use the method above to check each step.

What to keep in mind

Ideal-component calculation for study and estimation. It does not select safe wiring, protective devices or component ratings for an installation.

Methodology maintained by ClarityKit. How these tools are built and checked.