# LOG10

Returns the logarithm of the given argument to base 10.

## Syntax

```sql
LOG10 ( number )

```

## Arguments

* number: the number to take the logarithm of.

> **📝 Note**: LOG10(n) is equivalent to LOG(n) / LOG(10).

## Return Type

Float or double. If number is less than or equal to 0, or if base is non-positive or 1, returns NULL.

## Examples

```sql
SELECT LOG10(1000);

```

```output

+-------------+
| LOG10(1000) |
+-------------+
|           3 |
+-------------+

```

***

Modified at: April 4, 2023

Source: [/db/v9.1/reference/sql-reference/numeric-functions/log-10/](https://docs.singlestore.com/db/v9.1/reference/sql-reference/numeric-functions/log-10/)

(An index of the documentation is available at /llms.txt)