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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)

See also: kilometer article at Wikipedia, the free encyclopedia.

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?")

See also: inch article at Wikipedia, the free encyclopedia.

Mass[]

Kilogram[]

A kilogram (kg) is the fundamental SI unit of mass.

In the Imperial units system 1 pound ≡ 0.45359237 kg.

See also: Kilogram article at Wikipedia, the free encyclopedia.

Gram[]

A gram (g) is an SI unit of mass equal to 1/1,000 of a kilogram.

1 ounce ≡ 28.349523 g.

See also: Gram article at Wikipedia, the free encyclopedia.

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.

See also: Litre article at Wikipedia, the free encyclopedia.

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[]

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