A Femtowatt (fW) equals 1e-15 watt(s), a scaled unit of electrical power used for femto-scale electrical work.
Femtowatts to Microwatts
Convert Femtowatt (fW) to Microwatt (uW) instantly with an exact formula, conversion table, and FAQ.
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Convert femtowatts (fW) to microwatts (uW) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A Microwatt (uW) equals 1e-06 watt(s), a scaled unit of electrical power used for micro-scale electrical work.
uW = fW × 1.000000e-09
Results update instantly for Femtowatts to Microwatts conversions.
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Formula
uW = fW × 1.000000e-09
fW = uW × 1.000000e+09
Conversion table
| 1 fW | 1.000000e-09 uW |
| 5 fW | 5.000000e-09 uW |
| 10 fW | 1.000000e-08 uW |
| 20 fW | 2.000000e-08 uW |
| 50 fW | 5.000000e-08 uW |
| 100 fW | 1.000000e-07 uW |
| 500 fW | 5.000000e-07 uW |
| 1000 fW | 0.000001 uW |
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How the formula works
Both femtowatt and microwatt measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in femtowatts by 1.000000e-09 to get microwatts. To reverse the conversion, multiply a microwatt value by 1.000000e+09 to get back to femtowatts.
Frequently asked questions
What is Femtowatt (fW)?
A Femtowatt (fW) equals 1e-15 watt(s), a scaled unit of electrical power used for femto-scale electrical work.
What is Microwatt (uW)?
A Microwatt (uW) equals 1e-06 watt(s), a scaled unit of electrical power used for micro-scale electrical work.
How do I convert femtowatts to microwatts?
Multiply the femtowatt value by 1.000000e-09 to get the equivalent in microwatts. For example, 5 fW × 1.000000e-09 = 5.000000e-09 uW.
Is this conversion exact?
Yes. Both units use fixed, defined scale factors, so the factor 1.000000e-09 is an exact, non-rounded value.
Can I convert microwatts back to femtowatts?
Yes. Divide the microwatt value by 1.000000e-09, or multiply it by 1.000000e+09, to get femtowatts.
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About converting femtowatts to microwatts
A Femtowatt (fW) equals 1e-15 watt(s), a scaled unit of electrical power used for femto-scale electrical work. A Microwatt (uW) equals 1e-06 watt(s), a scaled unit of electrical power used for micro-scale electrical work.
Use this calculator to move between femtowatts and microwatts accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.