# Kilo-

**kilokkilos1000**

Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (10 3 ).wikipedia

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### Metric prefix

**SI prefixunit prefixprefix**

Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (10 3 ).

The prefix kilo-, for example, may be added to gram to indicate multiplication by one thousand: one kilogram is equal to one thousand grams.

### 1000 (number)

**thousand10001,000**

Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (10 3 ).

### Kilometre

**kmkilometerkilometers**

The kilometre (SI symbol: km; or ), spelt kilometer in American English, is a unit of length in the metric system, equal to one thousand metres (kilo- being the SI prefix for 1000).

### Kilobyte

**KBkilobytesK**

The International System of Units (SI) defines the prefix kilo as 1000 (10 3 ); per this definition, one kilobyte is 1000 bytes.

### Kilobit

**kbitkbkilobits**

The prefix kilo- (symbol k) is defined in the International System of Units (SI) as a multiplier of 10 3 (1 thousand), and therefore,

### JEDEC memory standards

**KBJEDEC socket**

JEDEC memory standards still permit this definition, but acknowledge the correct SI usage.

The specification contains definitions of the commonly used prefixes kilo, mega, and giga usually combined with the units byte and bit to designate multiples of the units.

### Bit

**bitsbinary digitbinary digits**

The prefixes kilo (10 3 ) through yotta (10 24 ) increment by multiples of 1000, and the corresponding units are the kilobit (kbit) through the yottabit (Ybit).

### Exponentiation

**exponentpowerpowers**

For example, the prefix kilo means

### Byte

**bytesBTB**

While the numerical difference between the decimal and binary interpretations is relatively small for the prefixes kilo and mega, it grows to over 20% for prefix yotta.

### Kibibyte

**KiBKBkibibytes**

Therefore, 1024 bytes are defined as one kibibyte (1 KiB).

The interpretation of kilobyte to denote 1024 bytes, conflicting with the SI definition of the prefix kilo (1000), used to be common.

### Binary prefix

**gibikibitebi**

To address this conflict, a new set of binary prefixes has been introduced, which is based on powers of 2.

### RKM code

**BS 1852IEC 60062DIN 40825**

### Metric system

**metricmetric unitsmetric unit**

Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (10 3 ).

### International System of Units

**SISI unitsSI unit**

It is used in the International System of Units, where it has the symbol k, in lower case.

### Greek language

**GreekAncient GreekModern Greek**

The prefix kilo is derived from the Greek word χίλιοι (chilioi), meaning "thousand".

### Antoine Lavoisier

**LavoisierAntoine-Laurent LavoisierAntoine Laurent Lavoisier**

It was originally adopted by Antoine Lavoisier's research group in 1795, and introduced into the metric system in France with its establishment in 1799.

### Linguistic purism

**purismpuristpuristic**

In 19th century English it was sometimes spelled chilio, in line with a puristic opinion by Thomas Young.

### Thomas Young (scientist)

**Thomas YoungYoungYoung, Thomas**

In 19th century English it was sometimes spelled chilio, in line with a puristic opinion by Thomas Young.

### Baud

**megabaudkilobaudBaud rate**