A Yoctowatt (yW) equals 1e-24 watt(s), a scaled unit of electrical power used for yocto-scale electrical work.
Yoctowatts to Attowatts
Convert Yoctowatt (yW) to Attowatt (aW) instantly with an exact formula, conversion table, and FAQ.
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Convert yoctowatts (yW) to attowatts (aW) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
An Attowatt (aW) equals 1e-18 watt(s), a scaled unit of electrical power used for atto-scale electrical work.
aW = yW × 0.000001
Results update instantly for Yoctowatts to Attowatts conversions.
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Formula
aW = yW × 0.000001
yW = aW × 1.000000e+06
Conversion table
| 1 yW | 0.000001 aW |
| 5 yW | 0.000005 aW |
| 10 yW | 0.00001 aW |
| 20 yW | 0.00002 aW |
| 50 yW | 0.00005 aW |
| 100 yW | 0.0001 aW |
| 500 yW | 0.0005 aW |
| 1000 yW | 0.001 aW |
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How the formula works
Both yoctowatt and attowatt measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in yoctowatts by 0.000001 to get attowatts. To reverse the conversion, multiply a attowatt value by 1.000000e+06 to get back to yoctowatts.
Frequently asked questions
What is Yoctowatt (yW)?
A Yoctowatt (yW) equals 1e-24 watt(s), a scaled unit of electrical power used for yocto-scale electrical work.
What is Attowatt (aW)?
An Attowatt (aW) equals 1e-18 watt(s), a scaled unit of electrical power used for atto-scale electrical work.
How do I convert yoctowatts to attowatts?
Multiply the yoctowatt value by 0.000001 to get the equivalent in attowatts. For example, 5 yW × 0.000001 = 0.000005 aW.
Is this conversion exact?
Yes. Both units use fixed, defined scale factors, so the factor 0.000001 is an exact, non-rounded value.
Can I convert attowatts back to yoctowatts?
Yes. Divide the attowatt value by 0.000001, or multiply it by 1.000000e+06, to get yoctowatts.
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About converting yoctowatts to attowatts
A Yoctowatt (yW) equals 1e-24 watt(s), a scaled unit of electrical power used for yocto-scale electrical work. An Attowatt (aW) equals 1e-18 watt(s), a scaled unit of electrical power used for atto-scale electrical work.
Use this calculator to move between yoctowatts and attowatts accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.