Volts to Millivolts Converter

V → mV: type a value and the result appears instantly.

1 V = 1,000 mV
1 mV = 0.001 V

From

To

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How to convert volts to millivolts

Use this formula:

mV = V × 1,000

Examples

5 V = 5,000 mV
12 V = 12,000 mV
100 V = 100,000 mV

V to mV conversion chart

volts (V)	millivolts (mV)
0.1 V	100 mV
0.25 V	250 mV
0.5 V	500 mV
1 V	1,000 mV
2 V	2,000 mV
3 V	3,000 mV
4 V	4,000 mV
5 V	5,000 mV
6 V	6,000 mV
7 V	7,000 mV
8 V	8,000 mV
9 V	9,000 mV
10 V	10,000 mV
12 V	12,000 mV
15 V	15,000 mV
20 V	20,000 mV
25 V	25,000 mV
30 V	30,000 mV
40 V	40,000 mV
50 V	50,000 mV
60 V	60,000 mV
70 V	70,000 mV
75 V	75,000 mV
80 V	80,000 mV
90 V	90,000 mV
100 V	100,000 mV
150 V	150,000 mV
200 V	200,000 mV
250 V	250,000 mV
500 V	500,000 mV
1,000 V	1,000,000 mV

About the units

Volt (V) is a metric (SI) unit. 1 V = 1,000 mV.

Millivolt (mV) is a metric (SI) unit. 1 mV = 0.001 V.

Frequently asked questions

How do I convert volts to millivolts?: Multiply the value in V by 1,000.
How many millivolts are in 1 volt?: 1 V = 1,000 mV.
What is 12 V in mV?: 12 V = 12,000 mV.
How do I convert millivolts to volts?: Use the reverse converter: mV → V.

Voltage Converter →

Related conversions

mV → V kV → V V → kV

Sources: NIST SP 811 · BIPM SI Brochure · NIST Handbook 44. Last reviewed: 2026-10 · FreeUnitConverters