Volt is the SI unit of electric potential.
Volts to Kilovolts Converter — V to kV
Convert Volt (V) to Kilovolt (kV) using the exact conversion factor (1 volt = 0.001 kilovolt). See the formula, worked examples, conversion table, history, and common uses.
Volts to Kilovolts converter
Converter
Electricity Converter
Convert electrical units by family and calculate voltage, current, resistance, power, and energy with context values.
Context values
Some unit families need one extra value for a physically accurate result.
Kilovolt is 1000 volt units.
Result = input x 1 / 1000.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Volts to Kilovolts
Volt and Kilovolt both belong to the electricity family — voltage, current, resistance, power, or energy — units that show up constantly when working across the different standards used by household wiring (120V/240V depending on region), automotive electrical systems (12V/24V), and electronics design. Volt is most often used for household and automotive electrical system ratings (120v/240v mains, 12v/24v batteries).
Formula
kilovolts = volts × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 volt equals 1 base unit, and 1 kilovolt equals 1000 base units, so dividing one by the other gives the direct volt-to-kilovolt factor of 0.001.
Simple example
1 V × 0.001 = 0.001 kV
1 volt = 0.001 kilovolts.
Real-world example
120 V × 0.001 = 0.12 kV
120 volts = 0.12 kilovolts.
Conversion table
| Volt (V) | Kilovolt (kV) |
|---|---|
| 1 V | 0.001 kV |
| 5 V | 0.005 kV |
| 12 V | 0.012 kV |
| 24 V | 0.024 kV |
| 120 V | 0.12 kV |
| 240 V | 0.24 kV |
Reverse conversion: Kilovolt to Volt
0.001 kV × 1000 = 1 V
0.001 kilovolts = 1 volt.
volts = kilovolts × 1000
For a page dedicated to this direction, see Kilovolt to Volt.
Understanding the Volt
Volt (V) measures electric potential. The SI derived unit of electric potential difference, equal to one joule of energy per coulomb of charge. It is classified as a SI derived unit.
Where it's used: Universal — SI derived unit used worldwide
Uses of the Volt today
- Household and automotive electrical system ratings (120V/240V mains, 12V/24V batteries)
- Battery and power-supply specifications
- Electronics design
History of the Volt
The volt is named after Alessandro Volta (1745–1827), an Italian physicist who invented the voltaic pile in 1800 — the first device able to produce a steady electric current, and the direct ancestor of the modern battery.
Historical origin. Volt was not the invention of a single named person; it developed through the process described above.
Understanding the Kilovolt (kV)
Kilovolt is 1000 volt units.
Volt — sources
- BIPM SI Brochure, 9th edition — Definition of the volt as a coherent SI derived unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilovolts are in 1 volt?
1 volt equals 0.001 kilovolts, using the exact defined conversion factor rather than an estimate.
How do I convert volt to kilovolt?
Multiply the volt value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert kilovolt back to volt?
Use the reverse factor: 1 kilovolt equals 1,000 volts. You can also use the swap control in the converter above to flip the direction instantly.
What is a volt?
Volt (V) measures electric potential. The SI derived unit of electric potential difference, equal to one joule of energy per coulomb of charge. It is classified as a SI derived unit.
What is a kilovolt?
Kilovolt (kV) is a unit of electricity.
Is the volt to kilovolt conversion exact?
Yes. Both volt and kilovolt are defined by fixed standards rather than physical artifacts, so the factor of 0.001 used above is exact to as many digits as you choose to display.
Where is the volt still used today?
Universal — SI derived unit used worldwide
What's the difference between voltage, current, and resistance?
Voltage (volts) is the electrical potential difference driving current through a circuit. Current (amperes) is the rate of flow of electric charge. Resistance (ohms) is how much a component opposes that flow. They're related by Ohm's law (V = I × R), but they are distinct physical quantities, and this page converts between units of just one of them.