everydaycalc
702 directional conversions · 27 units

Voltage unit converter

Convert between Volts, Millivolts, Kilovolts and more. Enter a measurement, choose a direction and see the working.

How to convert voltage

1 × 1 ÷ 0.001 = 1000 Millivolts.

Multiply your measurement by the factor for the input unit, then divide by the factor for the output unit. Every factor below is expressed in volts per one unit. For example, 1 Volts equals 1000 Millivolts.

27 supported units and their factors

Unitvolts per unit
Volts1
Millivolts0.001
Kilovolts1000
Microvolts1e-06
Megavolts1000000
Centivolts0.01
Nanovolts1e-09
Gigavolts1000000000
Decivolts0.1
Decavolts10
Hectovolts100
Picovolts1e-12
Teravolts1e+12
Femtovolts1e-15
Petavolts1e+15
Attovolts1e-18
Exavolts1e+18
Zeptovolts1e-21
Zettavolts1e+21
Yoctovolts1e-24
Yottavolts1e+24
Rontovolts1e-27
Ronnavolts1e+27
Quectovolts1e-30
Quettavolts1e+30
Abvolts1e-08
Statvolts299.792458

Accuracy and scope

The calculator uses fixed measurement relationships and SI decimal prefixes, including the 2022 ronto, quecto, ronna and quetta prefixes. Conventional units are identified separately when available. Results are rounded for display to 12 significant digits; very large and small values may lose precision in ordinary browser floating-point arithmetic. This converter changes units of the same physical quantity and does not change the measured quantity itself.

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