A Microwatt (uW) equals 1e-06 watt(s), a scaled unit of electrical power used for micro-scale electrical work.
Microwatts to Femtowatts
Convert Microwatt (uW) to Femtowatt (fW) instantly with an exact formula, conversion table, and FAQ.
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Convert microwatts (uW) to femtowatts (fW) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A Femtowatt (fW) equals 1e-15 watt(s), a scaled unit of electrical power used for femto-scale electrical work.
fW = uW × 1.000000e+09
Results update instantly for Microwatts to Femtowatts conversions.
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Formula
fW = uW × 1.000000e+09
uW = fW × 1.000000e-09
Conversion table
| 1 uW | 1.000000e+09 fW |
| 5 uW | 5.000000e+09 fW |
| 10 uW | 1.000000e+10 fW |
| 20 uW | 2.000000e+10 fW |
| 50 uW | 5.000000e+10 fW |
| 100 uW | 1.000000e+11 fW |
| 500 uW | 5.000000e+11 fW |
| 1000 uW | 1.000000e+12 fW |
Related conversions
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How the formula works
Both microwatt and femtowatt measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in microwatts by 1.000000e+09 to get femtowatts. To reverse the conversion, multiply a femtowatt value by 1.000000e-09 to get back to microwatts.
Frequently asked questions
What is Microwatt (uW)?
A Microwatt (uW) equals 1e-06 watt(s), a scaled unit of electrical power used for micro-scale electrical work.
What is Femtowatt (fW)?
A Femtowatt (fW) equals 1e-15 watt(s), a scaled unit of electrical power used for femto-scale electrical work.
How do I convert microwatts to femtowatts?
Multiply the microwatt value by 1.000000e+09 to get the equivalent in femtowatts. For example, 5 uW × 1.000000e+09 = 5.000000e+09 fW.
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 femtowatts back to microwatts?
Yes. Divide the femtowatt value by 1.000000e+09, or multiply it by 1.000000e-09, to get microwatts.
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About converting microwatts to femtowatts
A Microwatt (uW) equals 1e-06 watt(s), a scaled unit of electrical power used for micro-scale electrical work. A Femtowatt (fW) equals 1e-15 watt(s), a scaled unit of electrical power used for femto-scale electrical work.
Use this calculator to move between microwatts and femtowatts accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.