Unit Conversion

Convert numbers between two units quickly and precisely

Voltage

Unit Conversion

Convert voltage units: volt, millivolt, and megavolt

Electrical voltage is measured in volt (V), the SI unit. For small voltages in microelectronics, microvolt (µV) and millivolt (mV) are common; for high-voltage applications, kilovolt (kV) and megavolt (MV).

Key conversion factors:

  • 1 kilovolt (kV) = 1,000 volt (V)
  • 1 volt (V) = 1,000 millivolt (mV) = 1,000,000 microvolt (µV)
  • 1 megavolt (MV) = 1,000,000 volt

Applications:

  • Household electricity: mains voltages, e.g. 230 V in Europe and 120 V in the US
  • Electronics: battery voltages in the volt range, signal voltages in the millivolt range
  • High-voltage engineering: transmission lines in the kilo- and megavolt range

The voltage converter supports designing electrical circuits and comparing mains voltages. For the associated current, use the current converter; for resistance (U = R * I), the resistance converter.

Frequently asked questions about converting voltage

In Europe, mains voltage is usually 230 V, while in the US it's 120 V. These are different historically grown standards – this converter helps compare device specs between the two systems (note: a pure voltage conversion does not replace checking whether a device is rated for both voltage ranges).

1 volt (V) equals 1,000 millivolt (mV) and 1,000,000 microvolt (µV). Millivolt ranges are typical for sensor and measurement signals in electronics.

Megavolt (MV, 1 MV = 1,000,000 V) occurs in high-voltage transmission lines and particle accelerators, where very high voltages are needed for power transmission or particle acceleration.