MySQL LN() Function
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MySQL LN() Function

❮ MySQL Functions

Example

Return the natural logarithm of a number:

SELECT LN(2);
Try it Yourself »

Definition and Usage

The LN() function returns the natural logarithm of a number.

Note: See also the LOG() and EXP() functions.

Syntax

LN(number)

Parameter Values

Parameter Description
number Required. The number to calculate the natural logarithm of. Must be greater than 0

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

Return the natural logarithm of a number:

SELECT LN(1);
Try it Yourself »

❮ MySQL Functions