Kilovolts to Millivolts Converter
Enter the voltage in kilovolts below to convert it to millivolts.
Convert Kilovolts to Millivolts
Enter a value in kilovolts (kV) to convert to millivolts (mV).
Kilovolt to Millivolt Conversion Table
Table showing various kilovolt measurements converted to millivolts. Click any preset value or arrow to load it into the converter.
How to Convert Kilovolts to Millivolts
To convert kilovolts to millivolts, multiply the voltage by the following conversion ratio: 1,000,000 millivolts/kilovolt.
Since one kilovolt is equal to 1,000,000 millivolts, you can use this simple formula to convert:
The voltage in millivolts is equal to the voltage in kilovolts multiplied by 1,000,000.
For example, here's how to convert 5 kilovolts to millivolts using the formula above.
How Many Millivolts Are in a Kilovolt?
There are 1,000,000 millivolts in a kilovolt, which is why we use this value in the formula above.
Our kilovolt to millivolt calculator automatically converts your voltage measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Kilovolts and millivolts are both units used to measure voltage. Keep reading to learn more about each unit.
What Is a Kilovolt?
A kilovolt is a unit of voltage equal to 1,000 volts (V), the base unit for voltage. High-voltage power distribution unit (1,000 V). [1]
The kilovolt is classified as a metric and SI-compatible unit of voltage. Kilovolts can be abbreviated as kV; for example, 1 kilovolt can be written as 1 kV.
In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilovolt (kV) a convenient decimal multiple of the volt (V).
In practice, kilovolts (kV) are widely used across large-scale industrial, bulk, and macro-level voltage specifications within SI metric workflows, engineering documentation, and technical data sheets.
What Is a Millivolt?
A millivolt is a unit of voltage equal to 1/1,000 of a volt (0.001 V). One-thousandth of a Volt (0.001 V). [2]
The millivolt is classified as a metric and SI-compatible unit of voltage. Millivolts can be abbreviated as mV; for example, 1 millivolt can be written as 1 mV.
In the metric system, "milli" is the standard SI prefix for thousandths, or 10⁻³. This makes the millivolt (mV) a convenient decimal multiple of the volt (V).
In practice, millivolts (mV) are widely used across fine-tolerance laboratory, analytical, and micro-scale voltage measurements within SI metric workflows, engineering documentation, and technical data sheets.
When converting voltage between kilovolts (kV) and millivolts (mV), keep full floating-point precision (1 kV = 1,000,000 mV; 1 mV = 0.000001 kV) during intermediate calculations and round only the final millivolt figure to match your instrument tolerance.
More Kilovolt & Millivolt Conversions
Need to calculate in the opposite direction? Use our millivolts to kilovolts calculator to switch your starting unit immediately. You can also explore related tools such as converting millivolts to kilovolts, converting volts to millivolts, or converting kilovolts to volts.
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Length)·Electric Potential Metrology Standard — Kilovolts (kV) to Millivolts (mV)
- [2]BIPM SpecificationBIPM (SI Base Unit: Metre (m))·Unit Specifications: Kilovolt (kV) & Millivolt (mV)
- [3]NIST HB 133 ReferenceNIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (kV to mV)