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Power converter

microwatt to kilowatt

Convert microwatt (μW) to kilowatt (kW). Use an editable power converter, conversion formula, and reference table.

1e-9

1 μW = 1e-9 kW

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Conversion formula

kW = μW × 1e-9

One microwatt equals 1e-9 kilowatt. Multiply your value in microwatt by this factor to get kilowatt. For the reverse conversion, divide by the same factor.

Worked example

To convert 5 microwatt:
5 × 1e-9 = 5e-9 kW

Conversion table

microwatt (μW)kilowatt (kW)
0.011e-11
0.11e-10
11e-9
22e-9
55e-9
101e-8
252.5e-8
505e-8
1001e-7
10000.000001

About these measurements

Power is the rate of energy transfer.

The base reference used here is the watt. One microwatt is 0.000001 base units; one kilowatt is 1,000 base units.

Important distinctions

Mechanical horsepower and metric horsepower are distinct units.

Precision

The converter uses stored conversion factors and floating-point arithmetic. Results display up to ten significant digits, switching to scientific notation for very small or large values. Keep the precision of your original measurement when reporting results.

Common questions

How do I convert μW to kW?

Multiply the quantity in μW by 1e-9. You can also type the value into the converter above.

Can I reverse the conversion?

Yes. Use the swap button or open the kilowatt to microwatt converter.

Reference

NIST Guide to the SI — conversion factors and prefix conventions. SI prefixes scale units by powers of ten; the dimension-specific notes above describe the assumptions used on this page.

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