# Number System Unit Converters

## All-in-One Number System Converter

This all-in-one number system converter lets you calculate all number system units at once. Convert between number system units including binary, decimal, hexadecimal, and octal.

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## All Number System Converters

The number system converters below provide more detail about converting between the individual number system units. Each one includes a definition of the individual number system units, step-by-step instructions on performing the conversion, conversion examples, together with conversion charts and other visualisations.

## What Number System Units Are Supported?

Name | Symbol | Measurement System | Description |
---|---|---|---|

binary | bin | base-2 | The binary number system, often referred to as base-2, is a fundamental numerical representation used in digital computing and information technology. Unlike the decimal system, which is based on powers of 10, the binary system relies on powers of 2, making it particularly well-suited for electronic devices and digital data storage. In the binary system, there are only two possible digits, 0 and 1, which are analogous to the on/off states of electronic switches. This simplicity is essential in the context of computing because it aligns perfectly with the binary nature of electronic circuits. |

decimal | dec | base-10 | The decimal number system, often called base-10, is the numerical system most commonly used by humans for everyday counting and arithmetic. It utilizes ten digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. The concept behind the decimal system is that each digit's value is determined by its position within the number, with each position representing a power of 10. |

hexadecimal | hex | base-16 | The hexadecimal number system, often referred to as base-16, is a fundamental numerical representation used extensively in computer science and digital technology. In the hexadecimal system, there are 16 possible digits: 0-9 and A-F, where A represents 10, B represents 11, C represents 12, D represents 13, E represents 14, and F represents 15. Each digit's value is determined by its position within the number, with each position representing a power of 16. |

octal | oct | base-8 | The octal number system, also known as base-8, is another numerical representation used in mathematics and computer science. In the octal system, there are eight possible digits: 0, 1, 2, 3, 4, 5, 6, and 7. Each digit's value is determined by its position within the number, with each position representing a power of 8. |