Popular electric potential (voltage) conversions
About electric potential (voltage) units
Electric potential difference — voltage — is energy per unit charge: one volt is one joule per coulomb. US mains are 120 V, most of the world 220–240 V, transmission lines hundreds of kilovolts.
Electric Potential (Voltage) unit reference
| Unit | Symbol | Value in V | System |
|---|---|---|---|
| Volt | V | 1 V | SI |
| Millivolt | mV | 0.001 V | SI |
| Microvolt | µV | 0.000001 V | SI |
| Kilovolt | kV | 1,000 V | SI |
| Megavolt | MV | 1,000,000 V | SI |
| Abvolt | abV | 1×10⁻⁸ V | CGS |
| Statvolt | statV | 299.79246 V | CGS |
Frequently asked questions
What is the SI unit of electric potential (voltage)?
This converter uses the volt (V) as its reference unit; every other unit is defined relative to it.
How many electric potential (voltage) units can I convert?
7 units are supported here, across SI, CGS systems. Every pair can be converted in both directions.
Does this electric potential (voltage) converter work offline?
Yes. Once the page has loaded, every calculation runs locally in your browser — nothing is sent to a server.