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MySQL CONV() Function

❮ MySQL Functions

Example

Convert a number from one number base to another:

SELECT CONV(15, 10, 2);
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Definition and Usage

The CONV() function converts a number from one number base to another, and returns the result as a string value.

Syntax

CONV(number, from_base, to_base)

Parameter Values

Parameter Description
number Required. The number to convert
from_base The number base of number (must be a number base between 2 and 36)
to_base The number base to convert to (must be a number base between 2 and 36 or -2 and -36)

Note

  • CONV() returns NULL if any of the parameters are NULL
  • CONV() treats number as an unsigned number if a positive to_base is specified
  • CONV() treats number as a signed number if a negative to_base is specified
  • CONV(number, 10, 2) is equivalent to using the BIN() function

Technical Details

Works in: MySQL 5.7, MySQL 5.6, MySQL 5.5, MySQL 5.1, MySQL 5.0, MySQL 4.1, MySQL 4.0, MySQL 3.23

More Examples

Example

Convert a number from one number base to another:

SELECT CONV(1111, 2, 10);
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Example

Convert a number from one number base to another:

SELECT CONV(88, 10, 16);
Try it Yourself »

❮ MySQL Functions