> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/sql-functions/numeric-functions/radians.md).

# RADIANS

## Syntax

```bnf
RADIANS(X)
```

## Description

Returns the argument *`X`*, converted from degrees to radians. Note that π radians equals 180 degrees.

This is the converse of the [DEGREES()](/docs/server/reference/sql-functions/numeric-functions/degrees.md) function.

## Examples

```sql
SELECT RADIANS(45);
+-------------------+
| RADIANS(45)       |
+-------------------+
| 0.785398163397448 |
+-------------------+

SELECT RADIANS(90);
+-----------------+
| RADIANS(90)     |
+-----------------+
| 1.5707963267949 |
+-----------------+

SELECT RADIANS(PI());
+--------------------+
| RADIANS(PI())      |
+--------------------+
| 0.0548311355616075 |
+--------------------+

SELECT RADIANS(180);
+------------------+
| RADIANS(180)     |
+------------------+
| 3.14159265358979 |
+------------------+
```

<sub>*This page is licensed: GPLv2, originally from*</sub> [<sub>*fill\_help\_tables.sql*</sub>](https://github.com/MariaDB/server/blob/main/scripts/fill_help_tables.sql)

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