Convert volts to millivolts
1 volt equals 1,000 millivolts. Enter a value below to convert instantly.
Need the other direction? Convert millivolt to volt →
Formula
Multiply the number of volts by 1000 to get millivolts.
Step by step
- Start with 1 V.
- Multiply by the conversion factor 1000.
- 1 × 1000 = 1,000 mV.
Volts to Millivolts conversion table
| Volts (V) | Millivolts (mV) |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 50 | 50,000 |
| 100 | 100,000 |
Convert Volt to other voltage units
1 V expressed in every other voltage unit on this site.
About the volt
The volt (V) is a SI unit of voltage. One joule of energy per coulomb of charge.
About the millivolt
The millivolt (mV) is a SI unit of voltage.
Where this conversion is used
Converting volts to millivolts comes up when electronics, batteries, and power distribution.
Related conversions
Frequently asked questions
How many millivolts are in a volt?
One volt equals 1,000 millivolts.
How do you convert volts to millivolts?
Multiply the number of volts by 1000 to get millivolts.
What is 1 millivolt in volts?
One millivolt equals 0.001 volts.
When would I convert volts to millivolts?
This conversion is common when electronics, batteries, and power distribution.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.