# Earth measurements

*48,971*pages on

this wiki

**Earth measurements** are used as the standard unit of measurement in the United Federation of Planets.

## LengthEdit

### KilometerEdit

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*)

### MillimeterEdit

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, the free encyclopedia.**Wikipedia**

### InchEdit

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?")

## MassEdit

### Kilogram Edit

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

In the Imperial units system 1 pound ≡ 0.45359237 kg.

#### Gram Edit

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

1 ounce ≡ 28.349523 g.

#### Milligram Edit

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, the free encyclopedia.**Wikipedia**

## Volume Edit

### Liter Edit

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 Edit

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, the free encyclopedia.**Wikipedia**

### cc Edit

A **cc** (**cubic centimeter**, official cm^{3}) 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, the free encyclopedia.**Wikipedia****See also:**Drug dosage

### cubic meter Edit

During a sensor sweep of the Neutral zone, the USS *Enterprise*-E found 25 particles of dust per cubic meter. (*TNG* movie: *First Contact*)

This article or section is incomplete |
---|

This article is marked as lacking essential detail, and needs attention. Information regarding expansion requirements may be found on the article's talk page. Feel free to edit this page to assist with this expansion. |

## External linkEdit

- Earth measurements article at
, the wiki for canon**Memory Alpha***Star Trek*.