Understanding Corrosion in Water Pipelines: A Guide for Pipeline Designers


Milliamp (mA)

Last updated: March 19, 2017

What Does Milliamp (mA) Mean?

A milliamp (mA) is a unit of measurement for an electric current flowing through an electrical conductor and a measure of the rate of flow of electrons. In the international system of units (SI units), electrical current is measured in amperes (or amps), and abbreviated as “A”.

A milliamp is equal to one-thousandth of an ampere. Thus, one milliamp is equal to 0.001 amperes.

A milliamp may also be known as a milliampere.


Corrosionpedia Explains Milliamp (mA)

An ampere is the SI unit for measuring an electric current, and is equal to the amount of current, which when allowed to pass through two parallel infinite length conductors separated by a distance of one meter from each other in a vacuum with a very minimal cross sectional area, would generate an electric force of 2 x 10-7 Newtons per meter.

Current measurements may be measured in either amperes or milliamperes.




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