# CBRT

Returns the cube root of a number. The input can be any numeric value, and the return value is always a double. Cube roots of infinities are `null`.

## Syntax

`CBRT(number)`

### Parameters

#### `number`

Numeric expression. If `null`, the function returns `null`.

## Examples

```esql
ROW d = 1000.0
| EVAL c = cbrt(d)
```

Calculate the cube root of the value `1000.0`.