Volt is the SI unit of electric potential.
Volts to Hectovolts Converter — V to hV
Convert Volt (V) to Hectovolt (hV) using the exact conversion factor (1 volt = 0.01 hectovolt). See the formula, worked examples, conversion table, history, and common uses.
Volts to Hectovolts 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.
Hectovolt is 100 volt units.
Result = input x 1 / 100.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Volts to Hectovolts
Volt and Hectovolt 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
hectovolts = volts × 0.01
This factor comes from each unit's defined relationship to the category's base unit: 1 volt equals 1 base unit, and 1 hectovolt equals 100 base units, so dividing one by the other gives the direct volt-to-hectovolt factor of 0.01.
Simple example
1 V × 0.01 = 0.01 hV
1 volt = 0.01 hectovolts.
Real-world example
120 V × 0.01 = 1.2 hV
120 volts = 1.2 hectovolts.
Conversion table
| Volt (V) | Hectovolt (hV) |
|---|---|
| 1 V | 0.01 hV |
| 5 V | 0.05 hV |
| 12 V | 0.12 hV |
| 24 V | 0.24 hV |
| 120 V | 1.2 hV |
| 240 V | 2.4 hV |
Reverse conversion: Hectovolt to Volt
0.01 hV × 100 = 1 V
0.01 hectovolts = 1 volt.
volts = hectovolts × 100
For a page dedicated to this direction, see Hectovolt 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 Hectovolt (hV)
Hectovolt is 100 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 hectovolts are in 1 volt?
1 volt equals 0.01 hectovolts, using the exact defined conversion factor rather than an estimate.
How do I convert volt to hectovolt?
Multiply the volt value by 0.01. The converter above does this instantly to whatever precision you set.
How do I convert hectovolt back to volt?
Use the reverse factor: 1 hectovolt equals 100 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 hectovolt?
Hectovolt (hV) is a unit of electricity.
Is the volt to hectovolt conversion exact?
Yes. Both volt and hectovolt are defined by fixed standards rather than physical artifacts, so the factor of 0.01 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.