millivolts to kilovolts | Exact Decimal + Formula

1 Millivolt = 0.000001 Kilovolt

One kilovolt equals exactly a million millivolts. Real-world use: sensor signals, ecg readings, and electronic circuit design. This page expresses those values in kilovolts, which is used for power transmission lines, x-ray tubes, and electric-vehicle powertrains. Type a value above for an instant answer; the exact formula and the reference table are below.

About Millivolt and Kilovolt

Millivolt (mV)

A millivolt is one-thousandth of a volt.

Where it's used: Sensor signals, ECG readings, and electronic circuit design.

Kilovolt (kV)

A kilovolt is 1,000 volts.

Where it's used: Power transmission lines, X-ray tubes, and electric-vehicle powertrains.

Electric Voltage Converter

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Precision

Formula

kV = mV × 1.000000e-6

To convert Millivolt to Kilovolt, use the formula displayed above.

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Millivolt to Kilovolt: Quick Reference Table

Millivolt	Kilovolt (Decimal)	Fraction	Real-world equivalent
0.001 mV	1.0000e-9 kV	-	fractional unit measurement
0.01 mV	1.0000e-8 kV	-	fractional unit measurement
0.1 mV	1.0000e-7 kV	-	fractional unit measurement
0.5 mV	5.0000e-7 kV	-	fractional unit measurement
1 mV	0.000001 kV	-	fractional unit measurement
2 mV	0.000002 kV	-	fractional unit measurement
5 mV	0.000005 kV	-	fractional unit measurement
10 mV	0.00001 kV	-	fractional unit measurement
25 mV	0.000025 kV	-	fractional unit measurement
50 mV	0.00005 kV	-	fractional unit measurement
100 mV	0.0001 kV	-	fractional unit measurement
250 mV	0.00025 kV	-	fractional unit measurement
500 mV	0.0005 kV	-	fractional unit measurement
1000 mV	0.001 kV	-	fractional unit measurement

mV to kV Formula and Examples

Direct Formula kV = mV × 1.000000e-6

Inverse Formula mV = kV × 1000000

Mental Math Shortcut

Divide the value by roughly 1000000 to quickly estimate the converted result.

Common Millivolt to Kilovolt Calculations

5 mV = 0.000005 kV
10 mV = 0.00001 kV
50 mV = 0.00005 kV
100 mV = 0.0001 kV
500 mV = 0.0005 kV

Precision & Practical Use

For example, 10 mV = 0.00001 kV — roughly fractional unit measurement.

Results are computed to up to 9 decimal places. Round to the precision of your measuring instrument — for most electric voltage applications, 2–3 significant figures are plenty.

How to Convert Millivolt to Kilovolt

How many kilovolts are in one millivolt?

One Millivolt (mV) equals 0.000001 Kilovolt (kV). To convert millivolts to kilovolts, multiply the millivolt value by 0.000001.

How do I convert Millivolt to Kilovolt?

Multiply your millivolt value by 0.000001 to get the result in Kilovolt: kV = mV × 0.000001. For example, 5 mV = 0.000005 kV.

What is the formula for converting mV to kV?

The conversion formula is kV = mV × 0.000001. Use the calculator above for any value, and see the reference table below for common inputs from 0.001 to 1000.

Is there a quick mental estimate for mV to kV?