Math.cbrt()

The Math.cbrt() static method returns the cube root of a number. That is

{{InteractiveExample("JavaScript Demo: Math.cbrt()")}}

```js interactive-example console.log(Math.cbrt(-1)); // Expected output: -1

console.log(Math.cbrt(1)); // Expected output: 1

console.log(Math.cbrt(Infinity)); // Expected output: Infinity

console.log(Math.cbrt(64)); // Expected output: 4

## Syntax

```js-nolint
Math.cbrt(x)

Parameters#

• x
• : A number.

Return value#

The cube root of x.

Description#

Because cbrt() is a static method of Math, you always use it as Math.cbrt(), rather than as a method of a Math object you created (Math is not a constructor).

Examples#

Using Math.cbrt()#

Math.cbrt(-Infinity); // -Infinity
Math.cbrt(-1); // -1
Math.cbrt(-0); // -0
Math.cbrt(0); // 0
Math.cbrt(1); // 1
Math.cbrt(2); // 1.2599210498948732
Math.cbrt(Infinity); // Infinity

Specifications#

{{Specifications}}

Browser compatibility#

{{Compat}}

See also#

• Polyfill of Math.cbrt in core-js
• es-shims polyfill of Math.cbrt
• {{jsxref("Math.pow()")}}
• {{jsxref("Math.sqrt()")}}