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Power converter

picowatt to nanowatt

Convert picowatt (pW) to nanowatt (nW). Use an editable power converter, conversion formula, and reference table.

0.001

1 pW = 0.001 nW

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Conversion formula

nW = pW × 0.001

One picowatt equals 0.001 nanowatt. Multiply your value in picowatt by this factor to get nanowatt. For the reverse conversion, divide by the same factor.

Worked example

To convert 5 picowatt:
5 × 0.001 = 0.005 nW

Conversion table

picowatt (pW)nanowatt (nW)
0.010.00001
0.10.0001
10.001
20.002
50.005
100.01
250.025
500.05
1000.1
10001

About these measurements

Power is the rate of energy transfer.

The base reference used here is the watt. One picowatt is 1e-12 base units; one nanowatt is 1e-9 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 pW to nW?

Multiply the quantity in pW by 0.001. You can also type the value into the converter above.

Can I reverse the conversion?

Yes. Use the swap button or open the nanowatt to picowatt 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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