Earth measurements are used as the standard unit of measurement in the United Federation of Planets.
Length[]
Kilometer[]
A kilometer (km) is an SI (System Internationale) unit of length equal to one thousand meters.
- 1 km ~ 0.62137 miles
(TOS movie: Star Trek II: The Wrath of Khan)
Millimeter[]
A millimeter (mm) is an SI unit of length equal to 1/1,000 of a meter.
- 1 mm ~ 0.03937 inches
(TOS episode: "The Savage Curtain")
- See also: millimeter article at Wikipedia, the free encyclopedia.
Inch[]
An inch (in) was originally based on the width of an average person's thumb. It was later refined based on SI units.
- 1 inch ~ 2.54 cm
(TOS episode: "Is There in Truth No Beauty?")
Mass[]
Kilogram[]
A kilogram (kg) is the fundamental SI unit of mass.
In the Imperial units system 1 pound ≡ 0.45359237 kg.
Gram[]
A gram (g) is an SI unit of mass equal to 1/1,000 of a kilogram.
1 ounce ≡ 28.349523 g.
Milligram[]
A milligram (mg) is an SI unit of mass equal to 1/1,000 of a gram.
- See also: Orders of magnitude (mass)#10-6 to one kg article at Wikipedia, the free encyclopedia.
Volume[]
Liter[]
A liter (L or l) is a derived SI unit of volume, equal to 1/1,000 cubic meters (1 cubic decimeter).
In the Imperial units system 1 gallon ≡ 4.54609 L (~277.42 cubic inches).
In the US system, 1 gallon ≡ 231 cubic inches ≡ 3.785411784 l.
milliliter[]
A milliliter (ml) is an SI unit of volume equal to 1/1,000 of a liter.
In the Imperial system 1 fluid ounce ≡ 28.4130625 ml.
In the US system, 1 fluid ounce ≡ 29.5735295625 ml.
- See also: Litre#SI prefixes applied to the litre article at Wikipedia, the free encyclopedia.
cc[]
A cc (cubic centimeter, official cm3) is a measure of volume equal to one cubic centimeter (cm), which is also equal to one milliliter (ml). The cc is a common term for milliliter used in measuring the dosage of liquid medicines by volume.
1 cubic inch ≡ 16.387964 ml ≡ 16.387964 cc.
- See also: Cubic centimetre article at Wikipedia, the free encyclopedia.
- See also: Drug dosage
cubic meter[]
During a sensor sweep of the Neutral zone, the USS Enterprise-E found 25 particles of dust per cubic meter. (TNG movie: First Contact)
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External link[]
- Earth measurements article at Memory Alpha, the wiki for canon Star Trek.