Voltage Converter
Voltage is the electric potential difference that drives current through a circuit. The SI unit is the volt. Sensors output millivolts, household outlets use volts, and transmission lines carry kilovolts.
1 V = 1,000 mV
About voltage conversion
Voltage conversion is commonly needed when electronics, batteries, and power distribution.
All voltage units
| Unit | Symbol | System |
|---|---|---|
| Volt | V | SI |
| Millivolt | mV | SI |
| Microvolt | µV | SI |
| Kilovolt | kV | SI |
| Megavolt | MV | SI |
Frequently asked questions
What is the base unit for voltage?
Voltage conversions on this site are calculated against the volt (V).
Which voltage units can I convert?
You can convert between 5 units, including volt, millivolt, microvolt, kilovolt, and more.
Where is voltage conversion useful?
It is commonly needed when electronics, batteries, and power distribution.
Does this converter mix measurement systems?
The converter supports SI units and keeps their exact definitions separate so results stay accurate.