How many volts in 1 millivolt?
The answer is 0.001.

We assume you are converting between **volt** and **millivolt**.

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millivolt

The SI derived unit for **voltage** is the volt.

1 volt is equal to 1000 millivolt.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between volts and millivolts.

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The volt (symbol: V) is the SI derived unit of electric potential difference or electromotive force, commonly known as voltage. It is named in honor of the Lombard physicist Alessandro Volta (1745–1827), who invented the voltaic pile, the first chemical battery.

The volt is defined as the potential difference across a conductor when a current of one ampere dissipates one watt of power.[3] Hence, it is the base SI representation m^{2} · kg · s^{-3} · A^{-1}, which can be equally represented as one joule of energy per coulomb of charge, J/C.

The SI prefix "milli" represents a factor of
10^{-3}, or in exponential notation, 1E-3.

So 1 millivolt = 10^{-3} volts.

The definition of a volt is as follows:

The volt (symbol: V) is the SI derived unit of electric potential difference or electromotive force, commonly known as voltage. It is named in honor of the Lombard physicist Alessandro Volta (1745–1827), who invented the voltaic pile, the first chemical battery.

The volt is defined as the potential difference across a conductor when a current of one ampere dissipates one watt of power.[3] Hence, it is the base SI representation m^{2} · kg · s^{-3} · A^{-1}, which can be equally represented as one joule of energy per coulomb of charge, J/C.

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