mH

What is a Millihenry?

Millihenry is an inductance unit used in coils, filters, transformers and magnetic circuit calculations.

Millihenry is an inductance unit used in coils, filters, transformers and magnetic circuit calculations.

The prefix milli- (one thousandth, from Latin mille) was part of the original French metric system of 1795; the millihenry is typical for chokes and filter inductors.

Measurement system: Electrical engineering and electromagnetic circuit usage. SI equivalent: 1 mH = 0.001 H.

Millihenry facts

Unit name
Millihenry
Symbol
mH
Category
Inductance
Measurement system
Electrical engineering and electromagnetic circuit usage
SI equivalent
1 mH = 0.001 H
Common uses
Inductors, filters, transformers and switching circuits

Definition of the millihenry

Millihenry is an inductance unit used in coils, filters, transformers and magnetic circuit calculations.

Measurement system and SI relationship

Electrical engineering and electromagnetic circuit usage

SI equivalent: 1 mH = 0.001 H

History of the millihenry

The prefix milli- (one thousandth, from Latin mille) was part of the original French metric system of 1795; the millihenry is typical for chokes and filter inductors.

Where is the millihenry used?

Inductors, filters, transformers and switching circuits

Millihenry conversion tools

Sources

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: Guide for the Use of the International System of Units

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