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Earth measurements were the standard units of measure used in the United Federation of Planets.
Length Edit
MeterEdit
A meter (m) was the fundamental SI unit of length, defined as the distance traveled by light in a vacuum in 1/299,792,458 second.
In the Imperial units system, 1 foot ≡ 0.3048 m.
See alsoEdit
External linkEdit
NanometerEdit
A nanometer (nm) was an SI unit of length equal to one billionth of a meter (1
×10^{−9} m).1 nm ≈ 0.00000000003937 inches.
External linkEdit
MillimeterEdit
A millimeter (mm) was an SI unit of length equal to 1/1,000 of a meter.
1 mm ≈ 0.03937 inches.
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CentimeterEdit
A centimeter (cm) was an SI unit of length equal to 1/100 of a meter.
1 cm ≈ 0.3937 inches.
Lucille Harewood's height was given in centimeters on her medical status display at Royal Children's Hospital in an alternate reality 2259. (Star Trek Into Darkness)
In 2374, Odo tricked Miles O'Brien and Julian Bashir into believing that they were still a couple of centimeters shorter than normal after being shrunk and regrown again. (DS9: "One Little Ship")
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KilometerEdit
A kilometer (km) was an SI unit of length equal to one thousand meters.
1 km ≈ 0.62137 miles.
External linkEdit
Micron Edit
A micron was another name for micrometer (µm), an SI unit of length equal to 1 millionth of a meter (1
×10^{−6} m).1 mil ≡ 25.4 μm.
The absorption depth of osmium alloy was at least twenty-thousand particles per micron. (ENT: "The Catwalk")
External linkEdit
Mile Edit
(Main article: Mile)
A mile (mi) was originally one thousand paces, or 5,000 Roman feet (∼4,850 Imperial feet). A later British reform changed the mile to 5,280 Imperial feet so that it would equal eight furlongs.
1 mi ≡ 1.609344 km.
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Nautical mile Edit
A nautical mile was based on the length of one minute of arc of a great circle.
1 nautical mile ≡ 1,852 m (∼6,076.12 ft)
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FootEdit
A foot (ft, plural feet) was an Imperial unit of length equal to twelve inches, or one third of a yard.
1 ft ≡ 0.3048 m.
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Inch Edit
An inch (in) was originally based on the width of the average man's thumb, or the length of three barley-corns. It was later redefined based on SI units.
1 in ≡ 2.54 cm.
A passage from Alice's Adventures in Wonderland described Alice being only ten inches high. (DIS: "Context Is for Kings")
External linkEdit
Light year Edit
(Main article: Light year)
One light year was the distance that light traveled in one Earth year. It was approximately equal to 9.46
×10^{15} meters, or 5.88 ×10^{12} miles.Mass Edit
Kilogram Edit
A kilogram (kg) was the fundamental SI unit of mass.
In the Imperial units system, 1 pound ≡ 0.45359237 kg.
Lucille Harewood's weight was given in kilograms on her medical status display at Royal Children's Hospital in an alternate reality 2259. (Star Trek Into Darkness)
External linkEdit
Gram Edit
A gram (g) was an SI unit of mass equal to 1/1,000 of a kilogram.
1 ounce ≡ 28.349523125 g.
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Milligram Edit
A milligram (mg) was an SI unit of mass equal to 1/1,000 of a gram.
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Time Edit
See: Time measurements
Volume Edit
Liter Edit
A liter (L or l) was 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.
External linkEdit
Milliliter Edit
A milliliter (ml) was 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.
External linkEdit
cc Edit
- See: cc