1 V = 1000 mV
1 Volt (V) = 1000 Millivolt (mV).
If you want to reverse convert, use Millivolt → Volt. 1 mV = 0.001 V. You can also explore the full Electric Voltage converter page for more cross conversions.
Conversion formula
Volt to Millivolt formula: value in mV = value in V × 1000.
Millivolt to Volt formula: value in V = value in mV × 0.001.
How to convert Volt to Millivolt
To convert Volt to Millivolt, multiply the value in V by 1000. This gives the result in mV.
For example, 1 V = 1000 mV and 10 V = 10000 mV.
What is Volt?
Volt (V): Potential difference that transfers one joule per coulomb. 1 V = 1 J/C = 1000 mV.
What is Millivolt?
Millivolt (mV): Small voltages, such as sensor outputs and voltage drops. 1 mV = 0.001 V.
FAQ
How many millivolt are in 1 volt?
There are 1000 mV in 1 V.
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert volt to millivolt?
Multiply the value in V by 1000 to get the value in mV.
Volt → other Electric Voltage units
- 1 volt → millivolt = 1000 millivolt
- 1 volt = 1000000 microvolt
- 1 volt → kilovolt = 0.001 kilovolt
- 1 volt = 1.0E-6 megavolt
Volt → Millivolt Table
The table below shows common values from Volt to Millivolt and the reverse direction for quick reference.
| V | mV | Rounded |
|---|---|---|
| 1 V | 1000 mV | 1000.0000 |
| 2 V | 2000 mV | 2000.0000 |
| 3 V | 3000 mV | 3000.0000 |
| 4 V | 4000 mV | 4000.0000 |
| 5 V | 5000 mV | 5000.0000 |
| 10 V | 10000 mV | 10000.0000 |
| 12 V | 12000 mV | 12000.0000 |
| 15 V | 15000 mV | 15000.0000 |
| 20 V | 20000 mV | 20000.0000 |
| 25 V | 25000 mV | 25000.0000 |
| 30 V | 30000 mV | 30000.0000 |
| 40 V | 40000 mV | 40000.0000 |
| 50 V | 50000 mV | 50000.0000 |
| 75 V | 75000 mV | 75000.0000 |
| 100 V | 100000 mV | 100000.0000 |
| 200 V | 200000 mV | 200000.0000 |
| 250 V | 250000 mV | 250000.0000 |
| 500 V | 500000 mV | 500000.0000 |
| 750 V | 750000 mV | 750000.0000 |
| 1000 V | 1000000 mV | 1000000.0000 |
| 2500 V | 2500000 mV | 2500000.0000 |
| 5000 V | 5000000 mV | 5000000.0000 |
| 10000 V | 10000000 mV | 10000000.0000 |
Millivolt → Volt Table
| mV | V | Rounded |
|---|---|---|
| 1 mV | 0.001 V | 0.0010 |
| 2 mV | 0.002 V | 0.0020 |
| 3 mV | 0.003 V | 0.0030 |
| 4 mV | 0.004 V | 0.0040 |
| 5 mV | 0.005 V | 0.0050 |
| 10 mV | 0.01 V | 0.0100 |
| 12 mV | 0.012 V | 0.0120 |
| 15 mV | 0.015 V | 0.0150 |
| 20 mV | 0.02 V | 0.0200 |
| 25 mV | 0.025 V | 0.0250 |
| 30 mV | 0.03 V | 0.0300 |
| 40 mV | 0.04 V | 0.0400 |
| 50 mV | 0.05 V | 0.0500 |
| 75 mV | 0.075 V | 0.0750 |
| 100 mV | 0.1 V | 0.1000 |
| 200 mV | 0.2 V | 0.2000 |
| 250 mV | 0.25 V | 0.2500 |
| 500 mV | 0.5 V | 0.5000 |
| 750 mV | 0.75 V | 0.7500 |
| 1000 mV | 1 V | 1.0000 |
| 2500 mV | 2.5 V | 2.5000 |
| 5000 mV | 5 V | 5.0000 |
| 10000 mV | 10 V | 10.0000 |
Millivolt → Volt
The reverse value is 1 mV = 0.001 V.