Electric Potential Converter — Volts, Millivolts & Kilovolts

Convert between volts, millivolts, microvolts, kilovolts, megavolts, and CGS potential units.

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How this conversion works. Every unit is converted through the volt using exact SI prefixes; CGS units use factors from NIST Special Publication 811.

How to use

  1. Pick the unit you are converting from, such as Megavolt (MV) or Kilovolt (kV).
  2. Type the value and every other unit updates as you type.
  3. Copy the figure you need, or use the swap button to reverse the direction, Statvolt (statV) included.

Frequently asked questions

How do I convert millivolt to volt?

1 millivolt = 0.001 volt. Choose "Millivolt (mV)" as From and "Volt (V)" as To, type a value, and the result updates instantly.

How many millivolts are in a volt?

1,000 mV. Sensor outputs and thermocouple signals sit in the mV range; a AA cell is 1,500 mV; distribution lines run at 11–33 kV.

Is this for travel voltage converters?

No — this converts units of electric potential (mV ↔ V ↔ kV). A 110/220 V travel adapter is a transformer device, not a unit conversion.

Is my data sent to a server?

No. Conversions run entirely in your browser using fixed factors — nothing is uploaded or logged.

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