Microwatts (µW)
The microwatt is used for very low-power electronics and sensors.
Convert microwatts to any power unit
1 microwatt = 0.000001 watts
Quick facts
1 microwatt in other units
| Watts | 0.000001 W |
| Kilowatts | 1 × 10-9 kW |
| Horsepower | 1.3410221 × 10-9 hp |
| BTUs per hour | 0.000003412142 BTU/h |
| Megawatts | 1 × 10-12 MW |
| Metric horsepower | 1.3596216 × 10-9 PS |
| Tons of refrigeration | 2.8434514 × 10-10 TR |
| Gigawatts | 1 × 10-15 GW |
What is a microwatt?
The microwatt is used for very low-power electronics and sensors.
Where the microwatt sits among power units
The microwatt is number 4 of 32 on our scale of power units, ordered from smallest to largest.
What microwatts are used for
- Energy-harvesting and ultra-low-power chips.
- Optical power in fiber optics and photodetectors.
Microwatts in real life
- A quartz watch: about 1 µW.
- A pacemaker: about 10–40 µW.
Top microwatt conversions
Common amounts of microwatts
Convert microwatts to all 31 other units
Metric (SI)
Horsepower
Heat & refrigeration
Mechanical & other
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Frequently asked questions
What is a microwatt?
The microwatt is used for very low-power electronics and sensors.
How is the microwatt defined?
10⁻⁶ watt.
How many watts are in a microwatt?
One microwatt equals 0.000001 watts.
How many kilowatts are in a microwatt?
One microwatt equals 1e-9 kilowatts.
How many horsepower are in a microwatt?
One microwatt equals 1.3410221e-9 horsepower.