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Common Converters

Power Converter

Result

... Femtowatt = ... Watt

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Femtowatt to Watt Converter

Use this page to convert femtowatt values into watt, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

1 fW = 1e-15 W

1 W = 1,000,000,000,000,000 fW

Example: 15 fW = 1.5e-14 W

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Femtowatt

Femtowatt (fW) is represented in this converter as 0.000000000000001 watts.

History: Femtowatt follows electrical and SI power measurement conventions.

Current use: Femtowatt is useful in electronics, generation, motors, heating, and technical power comparisons.

Also written as fW.

Watt

A watt equals one joule per second.

History: It is named after James Watt and standardized in SI.

Current use: Watts are used in electronics, lighting, and engineering.

Also written as W, watts.

Femtowatt to Watt table

Femtowatt [fW]Watt [W]
0.01 fW1e-17 W
0.1 fW1e-16 W
1 fW1e-15 W
2 fW2e-15 W
5 fW5e-15 W
10 fW1e-14 W
20 fW2e-14 W
50 fW5e-14 W
100 fW1e-13 W