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Milliwatts to Microwatts Converter

Convert milliwatts to microwatts and back instantly with formula and common values.

mW

Microwatts

4,200

µW

4.2 mW = 4,200 µW

µW = mW × 1,000

Milliwatts to Microwatts: 1 mW equals 1000 µW. To convert milliwatts to microwatts, multiply by 1000 (µW = mW × 1,000). For example, 10 mW = 10000 µW.

How to Convert Milliwatts to Microwatts

To convert from milliwatts to microwatts, multiply the value by 1000. The conversion is linear, meaning doubling the input doubles the output.

Conversion Formula

  • Milliwatts to Microwatts: µW = mW × 1,000
  • Microwatts to Milliwatts: mW = µW ÷ 1,000

Milliwatts to Microwatts Conversion Chart

Milliwatts (mW)Microwatts (µW)
0.1100
0.25250
0.5500
11000
22000
33000
55000
1010000
2020000
2525000
5050000
100100000
250250000
10001000000

Understanding the Units

What is a Milliwatt?

A milliwatt equals one thousandth of a watt (10⁻³ W).

Common contexts: radio transmitters, lasers, electronics.

What is a Microwatt?

A microwatt equals one millionth of a watt (10⁻⁶ W).

Common contexts: low-power sensors, biology.

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FAQ

How do I convert milliwatts to microwatts?

Multiply by 1,000. For example, 4.2 mW × 1,000 = 4,200 µW.

What is the formula for milliwatts to microwatts?

The formula is: µW = mW × 1,000.

How many microwatts are in one milliwatt?

One milliwatt equals 1,000 microwatts.

How many microwatts are in 1 milliwatt?

1 mW equals 1000 µW.

How do you convert milliwatts to microwatts?

Multiply the milliwatt value by 1000. Formula: µW = mW × 1,000.

How many microwatts are in 5 milliwatts?

5 mW = 5000 µW.

How do you convert microwatts back to milliwatts?

Use the inverse formula: mW = µW ÷ 1,000. For example, 1 µW = 0.001 mW.

What is the difference between Milliwatt and Microwatt?

A milliwatt equals one thousandth of a watt (10⁻³ W). A microwatt equals one millionth of a watt (10⁻⁶ W).