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Kilo (symbol: k) is a prefix
SI prefix

An SI prefix is a name or associated symbol that precedes a basic unit of measure to form a decimal multiple . The abbreviation SI is from the French language name Syst?me International d?Unit?s ....
 in the SI
Si

Si, si, or SI may refer to :...
 and other systems of units denoting 103
1 E3

1 E3 may refer to:*The integer 1000 *The chess opening move 1.e3, Van 't Kruijs Opening...
 or 1,000. For example:

It was adopted by Antoine Lavoisier
Antoine Lavoisier

Antoine-Laurent de Lavoisier , the Fathers_of_scientific_fields#Chemistry, was a French people noble prominent in the histories of chemistry and biology....
 and his group in 1795. The metric system was introduced officially in France in 1799, and the General Conference on Weights and Measures
General Conference on Weights and Measures

The General Conference on Weights and Measures is the English name of the Conf?rence g?n?rale des poids et mesures . It is one of the three organizations established to maintain the International System of Units under the terms of the Convention du M?tre of 1875....
 was formed in 1875.

It comes from the Greek
Greek language

Greek is an Indo-European languages native to the southern Balkan peninsula, the language of the Greek people. It forms an independent branch within Indo-European....
 ?????? ("khilioi"), meaning thousand.
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Binary numeral system

The binary numeral system, or notation with a radix of 2. Owing to its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used internally by all modern computers....
 computing
Computing

Computing is usually defined as the activity of using and developing computer technology, computer hardware and computer software. It is the computer-specific part of information technology....
, kilo does not always denote 1,000 but is sometimes equal to 1,024 (210), most often when discussing memory
Computer memory

Computer memory is usually meant to refer to the semiconductor technology that is used to store information in Electronics devices. Current primary computer memory makes use of integrated circuits consisting of silicon-based transistors....
 and file sizes.






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Kilo (symbol: k) is a prefix
SI prefix

An SI prefix is a name or associated symbol that precedes a basic unit of measure to form a decimal multiple . The abbreviation SI is from the French language name Syst?me International d?Unit?s ....
 in the SI
Si

Si, si, or SI may refer to :...
 and other systems of units denoting 103
1 E3

1 E3 may refer to:*The integer 1000 *The chess opening move 1.e3, Van 't Kruijs Opening...
 or 1,000. For example:
  • one kilogram
    Kilogram

    The kilogram or kilogrammeThe spelling kilogram is used by the International Committee for Weights and Measures and the U.S....
     is 1,000 gram
    Gram

    The gram , ; symbol g, is a Physical unit of mass.Originally defined as "the absolute weight of a volume of pure water equal to the cube of the hundredth part of a metre, and at the temperature of melting ice" , a gram is now defined as one one-thousandth of the SI base unit, the kilogram, or Scientific notation kg, which itself is...
    s
  • one kilometre
    Kilometre

    The kilometre , symbol km is a Units of measurement of length in the metric system, equal to one thousand metres.Slang terms for kilometre include click and kay ....
     is 1,000 metre
    Metre

    The metre or meter is a Unit of measurement of length. It is the SI base unit of length in the metric system and in the International System of Units , used around the world for general and scientific purposes....
    s
  • one kilobyte
    Kilobyte

    Kilobyte is a unit of Computer data storage equal to either 1,024 bytes or 1,000 bytes , depending on context.It is abbreviated in a number of ways: KB, kB, K and Kbyte....
     is 1,000 byte
    Byte

    A byte is a basic unit of measurement of Computer storage in computer science. In many computer architectures it is a Byte addressing memory address space....
    s
  • one kilojoule is 1,000 joule
    Joule

    The joule is the SI derived unit of energy in the International System of Units. It is defined as:One joule is the amount of energy required to perform the following actions:...
    s


It was adopted by Antoine Lavoisier
Antoine Lavoisier

Antoine-Laurent de Lavoisier , the Fathers_of_scientific_fields#Chemistry, was a French people noble prominent in the histories of chemistry and biology....
 and his group in 1795. The metric system was introduced officially in France in 1799, and the General Conference on Weights and Measures
General Conference on Weights and Measures

The General Conference on Weights and Measures is the English name of the Conf?rence g?n?rale des poids et mesures . It is one of the three organizations established to maintain the International System of Units under the terms of the Convention du M?tre of 1875....
 was formed in 1875.

It comes from the Greek
Greek language

Greek is an Indo-European languages native to the southern Balkan peninsula, the language of the Greek people. It forms an independent branch within Indo-European....
 ?????? ("khilioi"), meaning thousand.

Use in computing

In binary
Binary numeral system

The binary numeral system, or notation with a radix of 2. Owing to its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used internally by all modern computers....
 computing
Computing

Computing is usually defined as the activity of using and developing computer technology, computer hardware and computer software. It is the computer-specific part of information technology....
, kilo does not always denote 1,000 but is sometimes equal to 1,024 (210), most often when discussing memory
Computer memory

Computer memory is usually meant to refer to the semiconductor technology that is used to store information in Electronics devices. Current primary computer memory makes use of integrated circuits consisting of silicon-based transistors....
 and file sizes. See binary prefix
Binary prefix

In computing, a binary prefix is a set of letters that precede a unit of measure to indicate multiplication by a power of two. In certain contexts in computing, such as computer memory sizes, units of information storage and communication traffic have traditionally been reported in multiples of powers of two....
 for more details.