Convert Voltage from Millivolt (mV) to other units
Multiple conversions

What is a Millivolt (mV)?

A millivolt (mV) is a unit used to measure a very small amount of voltage.

To put it simply, it's equal to exactly one-thousandth of a volt (0.001 V).

Think of it like this: if a volt were a meter, a millivolt would be just one millimeter. The plural form is "millivolts."

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How Do You Convert Millivolts (mV) to Volts (V)?

The conversion from millivolts to volts (and back) is simple.

This precise relationship is crucial in electrical engineering and electronics, allowing professionals to work with tiny voltages more conveniently.

Just remember this key mV to V conversion formula:

• 1000 millivolts (mV) = 1 volt (V)
• 1 millivolt (mV) = 0.001 volts (V)

This makes working with small voltages much easier. For example, engineers find it clearer to write 50 mV than 0.05 V, which helps prevent decimal errors in sensitive calculations.

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What Are Millivolts Used For? Common Examples

You'll find millivolt measurements in many high-tech and scientific fields where precision is key.

Some common uses and examples include:

• Healthcare: Medical devices measure the tiny electrical signals from your body in millivolts. This includes an electrocardiogram (ECG/EKG) for your heart and an electroencephalogram (EEG) for your brain.
• Industrial Sensors: Devices like thermocouples (used to measure temperature in everything from ovens to engines) and pH meters (for testing water acidity) produce small millivolt signals to provide an accurate reading.
• Audio Equipment: The signals produced by microphones and guitar pickups are often in the millivolt range before they are amplified.

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Why Are Millivolt Measurements So Important?

The millivolt scale is essential for designing and troubleshooting low-power and sensitive electronic circuits.

Components like operational amplifiers, transistors, and various sensors often operate with signal levels in the millivolt range.

Using millivolts allows engineers to accurately describe and measure small voltage drops, signal noise, and electrical potential differences.

These precise measurements are critical to the proper functioning of audio equipment, data acquisition systems, and communication devices.