## `TO_RADIANS` [esql-to_radians] **Syntax** :::{image} ../../../../../images/to_radians.svg :alt: Embedded :class: text-center ::: **Parameters** `number` : Input value. The input can be a single- or multi-valued column or an expression. **Description** Converts a number in [degrees](https://en.wikipedia.org/wiki/Degree_(angle)) to [radians](https://en.wikipedia.org/wiki/Radian). **Supported types** | number | result | | --- | --- | | double | double | | integer | double | | long | double | | unsigned_long | double | **Example** ```esql ROW deg = [90.0, 180.0, 270.0] | EVAL rad = TO_RADIANS(deg) ``` | deg:double | rad:double | | --- | --- | | [90.0, 180.0, 270.0] | [1.5707963267948966, 3.141592653589793, 4.71238898038469] |