A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work.
Terawatts to Nanowatts
Convert Terawatt (TW) to Nanowatt (nW) instantly with an exact formula, conversion table, and FAQ.
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Convert terawatts (TW) to nanowatts (nW) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A Nanowatt (nW) equals 1e-09 watt(s), a scaled unit of electrical power used for nano-scale electrical work.
nW = TW × 1.000000e+21
Results update instantly for Terawatts to Nanowatts conversions.
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Formula
nW = TW × 1.000000e+21
TW = nW × 1.000000e-21
Conversion table
| 1 TW | 1.000000e+21 nW |
| 5 TW | 5.000000e+21 nW |
| 10 TW | 1.000000e+22 nW |
| 20 TW | 2.000000e+22 nW |
| 50 TW | 5.000000e+22 nW |
| 100 TW | 1.000000e+23 nW |
| 500 TW | 5.000000e+23 nW |
| 1000 TW | 1.000000e+24 nW |
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How the formula works
Both terawatt and nanowatt measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in terawatts by 1.000000e+21 to get nanowatts. To reverse the conversion, multiply a nanowatt value by 1.000000e-21 to get back to terawatts.
Frequently asked questions
What is Terawatt (TW)?
A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work.
What is Nanowatt (nW)?
A Nanowatt (nW) equals 1e-09 watt(s), a scaled unit of electrical power used for nano-scale electrical work.
How do I convert terawatts to nanowatts?
Multiply the terawatt value by 1.000000e+21 to get the equivalent in nanowatts. For example, 5 TW × 1.000000e+21 = 5.000000e+21 nW.
Is this conversion exact?
Yes. Both units use fixed, defined scale factors, so the factor 1.000000e+21 is an exact, non-rounded value.
Can I convert nanowatts back to terawatts?
Yes. Divide the nanowatt value by 1.000000e+21, or multiply it by 1.000000e-21, to get terawatts.
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About converting terawatts to nanowatts
A Terawatt (TW) equals 1e+12 watt(s), a scaled unit of electrical power used for tera-scale electrical work. A Nanowatt (nW) equals 1e-09 watt(s), a scaled unit of electrical power used for nano-scale electrical work.
Use this calculator to move between terawatts and nanowatts accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.