Volt Conversion Calculator

Enter a value in volts below to convert to another unit of voltage.

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Do you want to convert volts to millivolts or volts to kilovolts?

What Is a Volt?

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A volt is a unit used to measure voltage.

The volt is the SI derived unit for voltage in the metric system. Volts can be abbreviated as V; for example, 1 volt can be written as 1 V.

Voltage and Ohm's Law

Voltage is a measurement of electromotive force and the electrical potential difference between two points of a conductor.[1]

Ohm's Law states the current between two points on a conductor is proportional to the voltage and inversely proportional to the resistance. Using Ohm's Law, it's possible to express the potential difference in volts as an expression using current and resistance.

VV = IA × RΩ

The potential difference in volts is equal to the current in amperes times the resistance in ohms.

Background and Origin

The volt is named for Italian physicist Alessandro Volta to honor his pioneering in electricity. The volt was proposed and named for use as a unit of electromotive force in the late 19th century.

How Much Is a Volt?

One volt is equal to the potential difference that would move one ampere of current against one ohm of resistance.

How to Convert Volts

To convert volts to another unit of voltage, you need to multiply the value by a conversion factor. A conversion factor is a numerical value used to change the units of a measurement without changing the value.[2]

You can find the conversion factors for volts in the conversion table below.

Then, multiply the voltage measurement by the conversion factor to find the equivalent value in the desired unit of measurement.

volts × conversion factor = result

You can also use a calculator, such as one of the converters below, for the conversion.

Volt Conversion Table

Common volt values and equivalent imperial and metric voltage measurements
volts nanovolts microvolts millivolts kilovolts megavolts gigavolts statvolts abvolts
1 V 1,000,000,000 nV 1,000,000 µV 1,000 mV 0.001 kV 0.000001 MV 0.000000001 GV 0.003336 stV 100,000,000 abV
2 V 2,000,000,000 nV 2,000,000 µV 2,000 mV 0.002 kV 0.000002 MV 0.000000002 GV 0.006671 stV 200,000,000 abV
3 V 3,000,000,000 nV 3,000,000 µV 3,000 mV 0.003 kV 0.000003 MV 0.000000003 GV 0.010007 stV 300,000,000 abV
4 V 4,000,000,000 nV 4,000,000 µV 4,000 mV 0.004 kV 0.000004 MV 0.000000004 GV 0.013343 stV 400,000,000 abV
5 V 5,000,000,000 nV 5,000,000 µV 5,000 mV 0.005 kV 0.000005 MV 0.000000005 GV 0.016678 stV 500,000,000 abV
6 V 6,000,000,000 nV 6,000,000 µV 6,000 mV 0.006 kV 0.000006 MV 0.000000006 GV 0.020014 stV 600,000,000 abV
7 V 7,000,000,000 nV 7,000,000 µV 7,000 mV 0.007 kV 0.000007 MV 0.000000007 GV 0.023349 stV 700,000,000 abV
8 V 8,000,000,000 nV 8,000,000 µV 8,000 mV 0.008 kV 0.000008 MV 0.000000008 GV 0.026685 stV 800,000,000 abV
9 V 9,000,000,000 nV 9,000,000 µV 9,000 mV 0.009 kV 0.000009 MV 0.000000009 GV 0.030021 stV 900,000,000 abV
10 V 10,000,000,000 nV 10,000,000 µV 10,000 mV 0.01 kV 0.00001 MV 0.00000001 GV 0.033356 stV 1,000,000,000 abV
11 V 11,000,000,000 nV 11,000,000 µV 11,000 mV 0.011 kV 0.000011 MV 0.000000011 GV 0.036692 stV 1,100,000,000 abV
12 V 12,000,000,000 nV 12,000,000 µV 12,000 mV 0.012 kV 0.000012 MV 0.000000012 GV 0.040028 stV 1,200,000,000 abV
13 V 13,000,000,000 nV 13,000,000 µV 13,000 mV 0.013 kV 0.000013 MV 0.000000013 GV 0.043363 stV 1,300,000,000 abV
14 V 14,000,000,000 nV 14,000,000 µV 14,000 mV 0.014 kV 0.000014 MV 0.000000014 GV 0.046699 stV 1,400,000,000 abV
15 V 15,000,000,000 nV 15,000,000 µV 15,000 mV 0.015 kV 0.000015 MV 0.000000015 GV 0.050035 stV 1,500,000,000 abV
16 V 16,000,000,000 nV 16,000,000 µV 16,000 mV 0.016 kV 0.000016 MV 0.000000016 GV 0.05337 stV 1,600,000,000 abV
17 V 17,000,000,000 nV 17,000,000 µV 17,000 mV 0.017 kV 0.000017 MV 0.000000017 GV 0.056706 stV 1,700,000,000 abV
18 V 18,000,000,000 nV 18,000,000 µV 18,000 mV 0.018 kV 0.000018 MV 0.000000018 GV 0.060042 stV 1,800,000,000 abV
19 V 19,000,000,000 nV 19,000,000 µV 19,000 mV 0.019 kV 0.000019 MV 0.000000019 GV 0.063377 stV 1,900,000,000 abV
20 V 20,000,000,000 nV 20,000,000 µV 20,000 mV 0.02 kV 0.00002 MV 0.00000002 GV 0.066713 stV 2,000,000,000 abV

Volt Conversion Calculators

You can also convert voltage using one of our volt converters below.

SI Units
Centimetre–Gram–Second Units
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References

  1. International Bureau of Weights and Measures, The International System of Units, 9th Edition, 2019, https://www.bipm.org/documents/20126/41483022/SI-Brochure-9-EN.pdf
  2. National Institute of Standards & Technology, Unit Conversion, https://www.nist.gov/pml/owm/metric-si/unit-conversion

Other Voltage Units

SI Units
Centimetre–Gram–Second Units