---
schema_version: "1"
id: 5dbe9f0d843fc2193066a1eefe634555456649dddff4c74ad77f0668faa999ac
title: displayDurationInMilliseconds()
collection: developer
version: current
locale: en-us
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canonical_url: https://developer.salesforce.com/docs/platform/aura-platform/guide/ref-jsapi-auralocalizationservice-displaydurationinmilliseconds.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: 436c44c96f87aa5170508de15d9f83d19192ead618bf90e8ad47aeb34b423cc4
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  - Platform Developer Content
---

# displayDurationInMilliseconds()

Displays a length of time in milliseconds.

## Signature

`displayDurationInMilliseconds (Duration duration)`

## Parameters

**_duration_:** Type: `Duration`. The duration object returned by `$A.localizationService.duration`.

## Returns

**Type: `number`** The length of time in milliseconds.

## Sample Code

```javascript
var dur = $A.localizationService.duration(1, 'hour');
// Returns 3600000
var length = $A.localizationService.displayDurationInMilliseconds(dur);
```

**See Also**  


-   [duration()](https://developer.salesforce.com/docs/platform/aura-platform/guide/ref-jsapi-auralocalizationservice-duration.md)