# LN Function (DAX)

Returns the natural logarithm of a number. Natural logarithms are based on the constant e (2.71828182845904).

## Syntax

```
LN(<number>)
```

## Parameters

Term |
Definition |
---|---|

number |
The positive number for which you want the natural logarithm. |

## Return Value

A decimal number.

## Remarks

LN is the inverse of the EXP function.

## Example

The following example returns the natural logarithm of the number in the column, [Values].

```
=LN([Values])
```