List of measurement units

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This is a list of measurement units used throughout galactic history in science, mathematics, and other studies.

Data StorageEdit

  • 1 bit
  • 1 byte
  • 1 kilobyte
  • 1 megabyte
  • 1 gigabyte
  • 1 terabyte
  • 1 petabyte[1]
  • 1 exabyte[2]



  • 1 cubic centimeter
  • 1 cubic meter
  • 1 cubic kilometer
  • 1 hectare[7]



Standard time measurements:

Time measurements used in one region, culture, or era:






  • 1 degree = 1/360th of a full circle[24]


UV IndexEdit

  • Reaches to a peak of 44.9[26]



Military ratingEdit

Artillery rankingsEdit

Shield strengthEdit

Hull ratingEdit


  • 1 joule[30]
  • 1 megajoule = 1,000,000 joules[30][3]
  • 1 gigaton = 1,000,000,000 tons of TNT[30]
  • 1 watt[30]
  • 1 gigawatt[3]
  • 1 Energy Unit, approximately the energy required to power a single shot from a standard blaster[37]
  • 1 Power Unit, possibly equal or close to an Energy Unit[37]



Musical unitsEdit

  • Key, as in "Key of Cresh"[40]
  • Octave[35]


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Behind the scenesEdit

The metric system is the primary form of measurement. However, temperature units would not be named Kelvin, or Fahrenheit, since they were named for men from Earth, but rather by centigrade or the more benign "standard" developed in the online Visual Guides. Despite this, certain units are used that are named after scientists from Earth, including celsius, watt, joule, and hertz.

The metric system also applies to quantities as well, beyond the standard SI prefix. See Large Numbers for more details.


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Notes and referencesEdit

  1. Republic Commando: True Colors
  2. Legacy of the Force: Bloodlines
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Death Star
  4. The New Jedi Order: Dark Journey, p. 191
  5. A Time to Mourn, a Time to Dance: Oola's Tale. Implied to be the Twi'lek "small unit" along the lines of a centimeter or an inch: "...two stormtroopers examined every square glekk of the shuttle."
  6. Battle for the Golden Sun, p. 9
  7. The Truce at Bakura, p. 77
  8. Visual Guides make this the accepted scale
  9. Used, presumably accidentally, in The Cestus Deception
  10. Crosscurrent, p. 229
  11. Star Wars 58: Sundown!, page 7
  12. The New Jedi Order: Dark Journey, p. 144, 179
  13. 13.0 13.1 These units represent the rotational and orbital period, respectively, of Coruscant; they are also known as the "standard day" and "standard year". Local days and years on different planets may vary greatly. The Galactic Standard Calendar is used to calibrate these units together.
  14. The New Jedi Order: Vector Prime p. 4
  15. The New Jedi Order: Vector Prime p. 26
  16. Star Wars: The Old Republic: Rise of the Hutt Cartel
  17. Endor and the Moddell Sector
  18. Star Wars Episode IV: A New Hope novelization, p. 138. It is unclear whether this is the same as a Coruscant Standard Carat or a different unit.
  19. Star Wars: The Roleplaying Game, p. 8
  20. A Guide to the Star Wars Universe, Second Edition
  21. Star Wars: Knights of the Old Republic: 4 million sangens of fuel were needed to destroy machinery near the Hrakert Rift.
  22. The Mandalorian Armor: See Imperial-class M-12 sweep bomb
  23. Shield of Lies: 640 millibars was the pressure in the Teljkon Vagabond
  24. Galaxy Guide 9: Fragments from the Rim, p. 11 mentions degrees in the description of offset brath bearings from true on a speeder.
  25. 25.0 25.1 The New Jedi Order: Vector Prime p. 7
  26. HoloNet News Weather
  27. Mentioned in Qui-Gon and Obi-Wan: The Aurorient Express
  28. Mentioned in Children of the Jedi
  29. A Mon Alone
  30. 30.0 30.1 30.2 30.3 30.4 Star Wars: Attack of the Clones Incredible Cross-Sections
  31. Luke Skywalker and the Shadows of Mindor p.179
  32. Mentioned in The Black Fleet Crisis trilogy
  33. The New Jedi Order: Vector Prime p. 8
  34. Star Wars: Revenge of the Sith Incredible Cross-Sections, p.11
  35. 35.0 35.1 Before the Storm
  36. Imperial troop transporter (story booklet)
  37. 37.0 37.1 Star Wars: Dark Forces
  38. Legacy of the Force: Bloodlines
  39. Star Wars: Complete Cross-Sections, for TIE/sa bombers and TIE/LN starfighters
  40. Union 1
  41. Boba Fett: When the Fat Lady Swings
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