480×320 Ad Size: Mobile Interstitial (landscape)
The 480×320 interstitial is the landscape version of the full-screen mobile ad, used when a phone or tablet is turned sideways, mostly in apps and games.
Specs
| Spec | Value |
|---|---|
| Name | Mobile Interstitial (landscape) |
| Dimensions | 480 × 320 pixels |
| Aspect ratio | 3:2 |
| Devices | Mobile and tablet |
| High-resolution version | 960 × 640 pixels (2×), scaled down |
| Typical file size | Keep images under 150 KB. Google Ads limits uploaded image ads to 150 KB. |
| Formats | JPG, PNG, GIF or HTML5 |
Where to place a 480×320 ad
- Between screens in landscape apps and games
Pros and cons
| Pros | Cons |
|---|---|
| ✓ High visibility | ✗ Limited use on mobile websites |
Tips for 480×320 ads
- Pair it with 320×480 so the ad matches the device orientation.
- Reserve the slot’s height in your layout so the page doesn’t jump when the ad loads. See Core Web Vitals and ads.
Related ad sizes
- 320×480 Mobile Interstitial (portrait)
- 320×100 Large Mobile Banner
- All banner ad sizes with live previews
Frequently asked questions
When is 480×320 used?
For full-screen ads on phones or tablets held in landscape, mostly in games.
Do I need both 320×480 and 480×320?
In apps that support both orientations, yes, so the ad always fills the screen.
Want to know what this slot could earn? Try the ad revenue calculator, or look up terms in the ad tech glossary.