Online Power Units Converter
How to Convert from Watt [W] to Terawatt [TW]?
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How to Convert from Watt [W] to Terawatt [TW]?

Learn how to convert power measurements from watt to terawatt, understand the application of each unit, and explore examples and common use cases for this unit conversion.

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Watt [W] to Terawatt [TW] Conversion Table

Watt [W] Terawatt [TW]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
Watt [W] to Terawatt [TW] Conversion Table
Watt [W] Terawatt [TW]

Explore More Power Units Converter

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  15. How to convert from dekawatt [daW] to watt [W]?
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  19. How to convert from centiwatt [cW] to watt [W]?
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  21. How to convert from milliwatt [mW] to watt [W]?
  22. How to convert from watt [W] to milliwatt [mW]?
  23. How to convert from microwatt [µW] to watt [W]?
  24. How to convert from watt [W] to microwatt [µW]?
  25. How to convert from nanowatt [nW] to watt [W]?
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  27. How to convert from picowatt [pW] to watt [W]?
  28. How to convert from watt [W] to picowatt [pW]?
  29. How to convert from femtowatt [fW] to watt [W]?
  30. How to convert from watt [W] to femtowatt [fW]?
  31. How to convert from attowatt [aW] to watt [W]?
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  33. How to convert from horsepower [hp, hp (UK)] to watt [W]?
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  37. How to convert from horsepower (metric) to watt [W]?
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  39. How to convert from horsepower (boiler) to watt [W]?
  40. How to convert from watt [W] to horsepower (boiler)?
  41. How to convert from horsepower (electric) to watt [W]?
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  43. How to convert from horsepower (water) to watt [W]?
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  45. How to convert from pferdestarke (ps) to watt [W]?
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  47. How to convert from Btu (IT)/hour [Btu/h] to watt [W]?
  48. How to convert from watt [W] to Btu (IT)/hour [Btu/h]?
  49. How to convert from Btu (IT)/minute [Btu/min] to watt [W]?
  50. How to convert from watt [W] to Btu (IT)/minute [Btu/min]?
  51. How to convert from Btu (IT)/second [Btu/s] to watt [W]?
  52. How to convert from watt [W] to Btu (IT)/second [Btu/s]?
  53. How to convert from Btu (th)/hour [Btu (th)/h] to watt [W]?
  54. How to convert from watt [W] to Btu (th)/hour [Btu (th)/h]?
  55. How to convert from Btu (th)/minute to watt [W]?
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  57. How to convert from Btu (th)/second [Btu (th)/s] to watt [W]?
  58. How to convert from watt [W] to Btu (th)/second [Btu (th)/s]?
  59. How to convert from MBtu (IT)/hour [MBtu/h] to watt [W]?
  60. How to convert from watt [W] to MBtu (IT)/hour [MBtu/h]?
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  65. How to convert from kilocalorie (IT)/hour [kcal/h] to watt [W]?
  66. How to convert from watt [W] to kilocalorie (IT)/hour [kcal/h]?
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  68. How to convert from watt [W] to kilocalorie (IT)/minute?
  69. How to convert from kilocalorie (IT)/second to watt [W]?
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  78. How to convert from watt [W] to calorie (IT)/hour [cal/h]?
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  83. How to convert from calorie (th)/hour [cal (th)/h] to watt [W]?
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  89. How to convert from foot pound-force/hour to watt [W]?
  90. How to convert from watt [W] to foot pound-force/hour?
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  95. How to convert from pound-foot/hour [lbf*ft/h] to watt [W]?
  96. How to convert from watt [W] to pound-foot/hour [lbf*ft/h]?
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  108. How to convert from watt [W] to newton meter/second?
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  110. How to convert from watt [W] to joule/second [J/s]?
  111. How to convert from exajoule/second [EJ/s] to watt [W]?
  112. How to convert from watt [W] to exajoule/second [EJ/s]?
  113. How to convert from petajoule/second [PJ/s] to watt [W]?
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  115. How to convert from terajoule/second [TJ/s] to watt [W]?
  116. How to convert from watt [W] to terajoule/second [TJ/s]?
  117. How to convert from gigajoule/second [GJ/s] to watt [W]?
  118. How to convert from watt [W] to gigajoule/second [GJ/s]?
  119. How to convert from megajoule/second [MJ/s] to watt [W]?
  120. How to convert from watt [W] to megajoule/second [MJ/s]?
  121. How to convert from kilojoule/second [kJ/s] to watt [W]?
  122. How to convert from watt [W] to kilojoule/second [kJ/s]?
  123. How to convert from hectojoule/second [hJ/s] to watt [W]?
  124. How to convert from watt [W] to hectojoule/second [hJ/s]?
  125. How to convert from dekajoule/second [daJ/s] to watt [W]?
  126. How to convert from watt [W] to dekajoule/second [daJ/s]?
  127. How to convert from decijoule/second [dJ/s] to watt [W]?
  128. How to convert from watt [W] to decijoule/second [dJ/s]?
  129. How to convert from centijoule/second [cJ/s] to watt [W]?
  130. How to convert from watt [W] to centijoule/second [cJ/s]?
  131. How to convert from millijoule/second [mJ/s] to watt [W]?
  132. How to convert from watt [W] to millijoule/second [mJ/s]?
  133. How to convert from microjoule/second [µJ/s] to watt [W]?
  134. How to convert from watt [W] to microjoule/second [µJ/s]?
  135. How to convert from nanojoule/second [nJ/s] to watt [W]?
  136. How to convert from watt [W] to nanojoule/second [nJ/s]?
  137. How to convert from picojoule/second [pJ/s] to watt [W]?
  138. How to convert from watt [W] to picojoule/second [pJ/s]?
  139. How to convert from femtojoule/second [fJ/s] to watt [W]?
  140. How to convert from watt [W] to femtojoule/second [fJ/s]?
  141. How to convert from attojoule/second [aJ/s] to watt [W]?
  142. How to convert from watt [W] to attojoule/second [aJ/s]?
  143. How to convert from joule/hour [J/h] to watt [W]?
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  145. How to convert from joule/minute [J/min] to watt [W]?
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  147. How to convert from kilojoule/hour [kJ/h] to watt [W]?
  148. How to convert from watt [W] to kilojoule/hour [kJ/h]?
  149. How to convert from kilojoule/minute [kJ/min] to watt [W]?
  150. How to convert from watt [W] to kilojoule/minute [kJ/min]?

What Is This Tool?

This converter allows you to transform power values from watts, the standard unit measuring energy transfer per second, to terawatts, which represent extraordinarily large power quantities used in national and astrophysical contexts.

How to Use This Tool?

  • Enter the power value in watts [W] that you want to convert.
  • Select 'watt [W]' as the input unit and 'terawatt [TW]' as the output unit.
  • Click the convert button to view the equivalent power in terawatts.
  • Review the result to understand large-scale power equivalences.

Key Features

  • Converts power values between watt and terawatt units with ease.
  • Supports expressions of very large energy transfer rates suitable for global or astronomical scales.
  • Provides clear examples illustrating the conversion process.
  • Browser-based and user-friendly, requiring no specialized software.

Examples

  • 500 watts converts to 5 × 10⁻¹⁰ terawatts.
  • 1,000,000 watts converts to 1 × 10⁻⁶ terawatts.

Common Use Cases

  • Calculating power consumption of electrical devices on a smaller scale converted to planetary energy scales.
  • Aggregating capacities of large power plants or regional electrical grids.
  • Describing massive astrophysical power outputs such as those from stars.

Tips & Best Practices

  • Use this conversion to interpret large-scale power data accurately.
  • Avoid applying this conversion for small or domestic power values to maintain meaningful precision.
  • Understand the magnitude difference between watts and terawatts to better contextualize energy data.

Limitations

  • Not practical for converting small power values due to significant scaling differences.
  • Precision may be lost when expressing small values in terawatts.
  • Designed for large-scale or astrophysical power measurements rather than everyday use.

Frequently Asked Questions

What does one watt represent?
One watt is the SI derived unit of power equal to one joule of energy transferred per second.

When should I use terawatts as a unit of power?
Terawatts are used to express very large rates of energy transfer, such as national electricity generation or astrophysical power outputs.

Is it useful to convert household power usage to terawatts?
No, converting small-scale power measurements to terawatts is generally not practical due to the large magnitude difference.

Key Terminology

Watt [W]
The SI derived unit of power, equal to one joule of energy transferred or converted per second.
Terawatt [TW]
An SI unit of power equal to one trillion watts, used to express extremely large power outputs.

Quick Knowledge Check

What is the definition of one watt?
What power scale is a terawatt best used for?
Which of the following is a limitation of converting watts to terawatts?

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