An Attowatt (aW) equals 1e-18 watt(s), a scaled unit of electrical power used for atto-scale electrical work.
Attowatts to Terawatts
Convert Attowatt (aW) to Terawatt (TW) instantly with an exact formula, conversion table, and FAQ.
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Convert attowatts (aW) to terawatts (TW) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work.
TW = aW × 1.000000e-30
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Formula
TW = aW × 1.000000e-30
aW = TW × 1.000000e+30
Conversion table
| 1 aW | 1.000000e-30 TW |
| 5 aW | 5.000000e-30 TW |
| 10 aW | 1.000000e-29 TW |
| 20 aW | 2.000000e-29 TW |
| 50 aW | 5.000000e-29 TW |
| 100 aW | 1.000000e-28 TW |
| 500 aW | 5.000000e-28 TW |
| 1000 aW | 1.000000e-27 TW |
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How the formula works
Both attowatt and terawatt measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in attowatts by 1.000000e-30 to get terawatts. To reverse the conversion, multiply a terawatt value by 1.000000e+30 to get back to attowatts.
Frequently asked questions
What is Attowatt (aW)?
An Attowatt (aW) equals 1e-18 watt(s), a scaled unit of electrical power used for atto-scale electrical work.
What is Terawatt (TW)?
A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work.
How do I convert attowatts to terawatts?
Multiply the attowatt value by 1.000000e-30 to get the equivalent in terawatts. For example, 5 aW × 1.000000e-30 = 5.000000e-30 TW.
Is this conversion exact?
Yes. Both units use fixed, defined scale factors, so the factor 1.000000e-30 is an exact, non-rounded value.
Can I convert terawatts back to attowatts?
Yes. Divide the terawatt value by 1.000000e-30, or multiply it by 1.000000e+30, to get attowatts.
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About converting attowatts to terawatts
An Attowatt (aW) equals 1e-18 watt(s), a scaled unit of electrical power used for atto-scale electrical work. A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work.
Use this calculator to move between attowatts and terawatts accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.