elasticsearch/docs/reference/esql/functions/to_radians.asciidoc

[discrete]
[[esql-to_radians]]
=== `TO_RADIANS`

*Syntax*

[source,esql]
----
TO_RADIANS(v)
----

*Parameters*

`v`::
Input value. The input can be a single- or multi-valued column or an expression.

*Description*

Converts a number in {wikipedia}/Degree_(angle)[degrees] to
{wikipedia}/Radian[radians].

*Supported types*

The input type must be of a numeric type and result is always `double`.

*Example*

[source.merge.styled,esql]
----
include::{esql-specs}/floats.csv-spec[tag=to_radians]
----
[%header.monospaced.styled,format=dsv,separator=|]
|===
include::{esql-specs}/floats.csv-spec[tag=to_radians-result]
|===