Convert Watts (W) to Microwatts (µW)

1 watt equals 1000000 microwatts.

Formula: µW = W × 1000000

Watt to Microwatt Converter

Choose the type of measurement to convert
Select the source unit to convert from
Select the target unit to convert to
Enter a numeric value or fraction to convert
Sig. Figures:

How to Convert Watt to Microwatt

1 watt = 1000000 microwatts

Microwatt = Watt × 1000000

Example: 1 W × 1000000 = 1000000 µW

Reverse Conversion

To convert microwatts back to watts:

  • Remember, 1 microwatt equals 1 × 10-6 watts.
  • To convert 1000000 µW to W, multiply 1000000 x 1 × 10-6, resulting in 1 W.

Common Watt to Microwatt Conversions

Watt to Microwatt (Part 1)
Watt Microwatt Actions
1 watt 1000000 microwatts
5 watts 5000000 microwatts
10 watts 10000000 microwatts
25 watts 2.5 × 107 microwatts
Watt to Microwatt (Part 2)
Watt Microwatt Actions
50 watts 5 × 107 microwatts
100 watts 1 × 108 microwatts
500 watts 5 × 108 microwatts
1000 watts 1 × 109 microwatts

Watts to microwatts Conversion Table

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

Watts to Microwatts Table
0.0001 to 12

Watts Microwatts Actions
0.0001 W 100 µW
0.00025 W 250 µW
0.0005 W 500 µW
0.001 W 1000 µW
0.0025 W 2500 µW
0.005 W 5000 µW
0.01 W 10000 µW
0.025 W 25000 µW
0.05 W 50000 µW
0.1 W 100000 µW
14 W 250000 µW
12 W 500000 µW

Watts to Microwatts Table
1 to 100000

Watts Microwatts Actions
1 W 1000000 µW
2 12 W 2500000 µW
5 W 5000000 µW
10 W 10000000 µW
25 W 2.5 × 107 µW
50 W 5 × 107 µW
100 W 1 × 108 µW
250 W 2.5 × 108 µW
500 W 5 × 108 µW
1000 W 1 × 109 µW
2500 W 2.5 × 109 µW
5000 W 5 × 109 µW
10000 W 1 × 1010 µW
25000 W 2.5 × 1010 µW
50000 W 5 × 1010 µW
100000 W 1 × 1011 µW

Microwatts to Watts Table
100 to 500000

Microwatts Watts Actions
100 µW 0.0001 W
250 µW 0.00025 W
500 µW 0.0005 W
1000 µW 0.001 W
2500 µW 0.0025 W
5000 µW 0.005 W
10000 µW 0.01 W
25000 µW 0.025 W
50000 µW 0.05 W
100000 µW 0.1 W
250000 µW 14 W
500000 µW 12 W

Microwatts to Watts Table
1000000 to 1 × 1011

Microwatts Watts Actions
1000000 µW 1 W
2500000 µW 2 12 W
5000000 µW 5 W
10000000 µW 10 W
2.5 × 107 µW 25 W
5 × 107 µW 50 W
1 × 108 µW 100 W
2.5 × 108 µW 250 W
5 × 108 µW 500 W
1 × 109 µW 1000 W
2.5 × 109 µW 2500 W
5 × 109 µW 5000 W
1 × 1010 µW 10000 W
2.5 × 1010 µW 25000 W
5 × 1010 µW 50000 W
1 × 1011 µW 100000 W

Definition of Watt

Definition
SI base unit of power equal to one joule per second.
Exact relation
1 W = 1 J/s = 1 kg·m²·s⁻³
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

About the Watt

Facts & Uses

  • Named after James Watt, inventor of the improved steam engine.
  • Core SI unit for power — rate of energy transfer per second.
  • Used universally in physics, electronics, and engineering.

Curiosities

  • A human at rest emits about 100 W of heat.
  • Modern LED lamps use 5–15 W with similar brightness to 60–100 W incandescent bulbs.

Frequently Asked Questions

How many microwatts are in one watt?

One watt equals 1000000 microwatts. To convert, multiply the watt value by 1000000. For the reverse, divide the microwatt value by 1000000 (or multiply by 1 × 10-6).

What is <span class="fraction"><span class="top">1</span><span class="bottom">4</span></span> watts in microwatts?

14 watts = 250000 microwatts. This is one of the most commonly searched conversions for this pair.

How precise is the watt-to-microwatt conversion?

The factor 1000000 is accurate to 6 significant figures, derived from international measurement standards. Our calculator uses full precision internally.

Looking for the reverse? Convert Microwatt to Watt

Related Power Converters

Explore other power conversion tools:

Related in other categories:

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.

Popular Power Conversions

Quick access to frequently searched power conversions:

63,500 W→ μW800,000 W→ μW