---
schema_version: "1"
id: 0f1e24ed5bbf16d814c026b83c4137728b2b4fec122cb1a16997d378b312f0c0
title: formatNumber()
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/platform/aura-platform/guides/aura/ref-jsapi/ref-jsapi-auralocalizationservice-formatnumber.md
canonical_url: https://developer.salesforce.com/docs/platform/aura-platform/guide/ref-jsapi-auralocalizationservice-formatnumber.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: 1047215f2132aca3ff2a4c8836a5bc6ae24e3e16efaf1643fc069548bb0dbbbe
products:
  - Lightning Aura Components Developer Guide
  - Platform Developer Content
---

# formatNumber()

Returns a formatted number with the default number format.

## Signature

`formatNumber (number number)`

## Parameters

**_number_:** Type: `number`. The number to format.

## Returns

**Type: `number`** The formatted number.

## Sample Code

```javascript
var num = 10000;
// Returns 10,000
var formatted = $A.localizationService.formatNumber(num);
```