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# Prefixes for Binary Multiplies

IEC International Standard names and symbols for prefixes for binary multiples for use in data processing and transmission.

Prefixes for Binary Multiplies
FactorNameSymbolOriginDerivation
210 kibi Ki kilobinary: (210)1 kilo: (103)1
220 mebi Mi megabinary: (210)2 mega: (103)2
230 gibi Gi gigabinary: (210)3 giga: (103)3
240 tebi Ti terabinary: (210)4 tera: (103)4
250 pebi Pi petabinary: (210)5 peta: (103)5
260 exbi Ei exabinary: (210)6 exa: (103)6

### Binary Multiples compared to SI Prefixes

Binary Multiples compared to SI Prefixes
MultipleSI Equivalent
one kilobit 1 Kibit = 210 bit = 1024 bit
one kilobit 1 kbit = 103 bit = 1000 bit
one mebibyte 1 MiB = 220 B = 1048576 B
one megabyte 1 MB = 106 B = 1000000 B
one gibibyte 1 GiB = 230 B = 1073741824 B
one gigabyte 1 GB = 109 B = 1000000000 B

## Related Topics

### • Basics

The SI-system, unit converters, physical constants, drawing scales and more.

## Related Documents

### ASCII Codes

ASCII codes and characters.

### Binary Adding, Subtraction, Multiplicaton and Division

Adding, subtracting, multiplying and dividing binary numbers.

### Binary to Decimal, Hexadecimal and ASCII Converter

Convert between binary, decimal and hexadecimal numbers.

### Binary, Octal and Hexadecimal Numbers

Decimal, binary, octal and hexadecimal numbers.

### Boolean Algebra

Logic functions where the values of variables are true (1) or false (0).

Computer bytes.

### Data Types

Signed vs. unsigned datatypes.

### Decimal System Prefixes

Prefix names used for multiples and submultiples units.

### SI System

An introduction to the SI metric system.

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