Voltage
mV to volts Converter
1 mV = 0.001 V. Enter any value and the result updates instantly.
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Accuracy and rounding
These conversions change only the SI prefix. Circuit behavior still depends on current, resistance, and the source.
Voltage prefix conversions are exact powers of 1000 within SI notation.
Keep the significant digits supplied by the source or instrument when displaying volts.
How to convert mV to volts
- Type the mV value in the calculator.
- Keep mV selected as the from unit and volts selected as the to unit.
- Use the instant result, or copy it with the copy button.
mV to volts chart
| mV | volts |
|---|---|
| 1 mV | 0.001 V |
| 10 mV | 0.01 V |
| 100 mV | 0.1 V |
| 1,000 mV | 1 V |
| 10,000 mV | 10 V |
Formula
V = mV x 0.001
Example: 1 mV = 0.001 V.
Source
SI volt definitions and decimal SI prefixes from BIPM and NIST.
Common questions
How do I convert mV to volts?
Enter the mV value in the converter, or multiply by the factor shown in the formula. 1 mV = 0.001 V.
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.