Convert Milliwatts (mW) to Microwatts (µW)

1 milliwatt equals 1000 microwatts.

Formula: µW = mW × 1000

Milliwatt to Microwatt Converter

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How to Convert Milliwatt to Microwatt

1 milliwatt = 1000 microwatts

Microwatt = Milliwatt × 1000

Example: 1 mW × 1000 = 1000 µW

Reverse Conversion

To convert microwatts back to milliwatts:

  • Remember, 1 microwatt equals 0.001 milliwatts.
  • To convert 1000 µW to mW, multiply 1000 x 0.001, resulting in 1 mW.

Common Milliwatt to Microwatt Conversions

Milliwatt to Microwatt (Part 1)
Milliwatt to Microwatt common conversions part 1
Milliwatt Microwatt Actions
1 milliwatt 1000 microwatts
5 milliwatts 5000 microwatts
10 milliwatts 10000 microwatts
25 milliwatts 25000 microwatts
Milliwatt to Microwatt (Part 2)
Milliwatt to Microwatt common conversions part 2
Milliwatt Microwatt Actions
50 milliwatts 50000 microwatts
100 milliwatts 100000 microwatts
500 milliwatts 500000 microwatts
1000 milliwatts 1000000 microwatts

Milliwatts to microwatts Conversion Table

Reference table with common milliwatts to microwatts conversions. All values calculated with high precision.

Milliwatts to Microwatts Table
0.0001 to 12

Milliwatts Microwatts Actions
0.0001 mW 0.1 µW
0.00025 mW 14 µW
0.0005 mW 12 µW
0.001 mW 1 µW
0.0025 mW 2 12 µW
0.005 mW 5 µW
0.01 mW 10 µW
0.025 mW 25 µW
0.05 mW 50 µW
0.1 mW 100 µW
14 mW 250 µW
12 mW 500 µW

Milliwatts to Microwatts Table
1 to 100000

Milliwatts Microwatts Actions
1 mW 1000 µW
2 12 mW 2500 µW
5 mW 5000 µW
10 mW 10000 µW
25 mW 25000 µW
50 mW 50000 µW
100 mW 100000 µW
250 mW 250000 µW
500 mW 500000 µW
1000 mW 1000000 µW
2500 mW 2500000 µW
5000 mW 5000000 µW
10000 mW 10000000 µW
25000 mW 2.5 × 107 µW
50000 mW 5 × 107 µW
100000 mW 1 × 108 µW

Microwatts to Milliwatts Table
0.1 to 500

Microwatts Milliwatts Actions
0.1 µW 0.0001 mW
14 µW 0.00025 mW
12 µW 0.0005 mW
1 µW 0.001 mW
2 12 µW 0.0025 mW
5 µW 0.005 mW
10 µW 0.01 mW
25 µW 0.025 mW
50 µW 0.05 mW
100 µW 0.1 mW
250 µW 14 mW
500 µW 12 mW

Microwatts to Milliwatts Table
1000 to 1 × 108

Microwatts Milliwatts Actions
1000 µW 1 mW
2500 µW 2 12 mW
5000 µW 5 mW
10000 µW 10 mW
25000 µW 25 mW
50000 µW 50 mW
100000 µW 100 mW
250000 µW 250 mW
500000 µW 500 mW
1000000 µW 1000 mW
2500000 µW 2500 mW
5000000 µW 5000 mW
10000000 µW 10000 mW
2.5 × 107 µW 25000 mW
5 × 107 µW 50000 mW
1 × 108 µW 100000 mW

Definition of Milliwatt

Definition
SI multiple equal to one thousandth of a watt.
Exact factor
1 mW = 10⁻³ W
Sources
BIPM — SI Brochure

Definition of Microwatt

Definition
SI multiple equal to one millionth of a watt.
Exact factor
1 µW = 10⁻⁶ W
Sources
BIPM — SI Brochure

Frequently Asked Questions

How many microwatts are in one milliwatt?

One milliwatt equals 1000 microwatts. To convert, multiply the milliwatt value by 1000. For the reverse, divide the microwatt value by 1000 (or multiply by 0.001).

What is 10 milliwatts in microwatts?

10 milliwatts = 10000 microwatts. This is one of the most commonly searched conversions for this pair.

Is the milliwatt-to-microwatt conversion exact?

Yes. The factor 1000 is exact by international definition, not an approximation. Any imprecision comes only from the original measurement, not the conversion.

Looking for the reverse? Convert Microwatt to Milliwatt

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Conversion factors verified against NIST, BIPM, ISO 80000-4 Based on SI base units (W = J/s, BIPM). Last reviewed: April 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.