Voltage
volts to mV Converter
1 V = 1,000 mV. Enter any value and the result updates instantly.
Convert
Accuracy and rounding
For sensor outputs, audio signals, electronics, and test equipment.
Voltage prefix conversions are exact powers of 1000 within SI notation.
Keep the significant digits supplied by the source or instrument when displaying mV.
How to convert volts to mV
- Type the volts value in the calculator.
- Keep volts selected as the from unit and mV selected as the to unit.
- Use the instant result, or copy it with the copy button.
volts to mV chart
| volts | mV |
|---|---|
| 1 V | 1,000 mV |
| 2 V | 2,000 mV |
| 5 V | 5,000 mV |
| 10 V | 10,000 mV |
| 25 V | 25,000 mV |
| 50 V | 50,000 mV |
| 100 V | 100,000 mV |
Formula
mV = V x 1,000
Example: 1 V = 1,000 mV.
Source
SI volt definitions and decimal SI prefixes from BIPM and NIST.
Common questions
How do I convert volts to mV?
Enter the volts value in the converter, or multiply by the factor shown in the formula. 1 V = 1,000 mV.
What should I watch out for?
Changing from volts to millivolts changes the prefix only; it does not calculate current or power.
Where does this voltage conversion come from?
SI volt definitions and decimal SI prefixes from BIPM and NIST. ConverterBase uses stable definitions and fixed conversion factors, not live or rounded market data.