Ad sizes

Last updated on October 23, 2017

OpenX Ad Exchange for Buyers supports the following ad sizes, listed from smallest to largest:

Non-video ad sizes


Video ad sizes




Custom InterstitialA full-screen ad displayed in content transitions. For example, a video ad that loads between levels of a mobile game.

88x31 IAB Micro Bar
120x60 IAB Button 2
120x90 Button 1
120x240 Vertical BannerThis is an ad that appears on a web page which is typically hyperlinked to an advertiser’s website. Banners can be images (GIF, JPEG, PNG), JavaScript programs or multimedia objects (For example, Java).
120x600 Skyscraper
125x125 Square Button
160x600 IAB Wide Skyscraper
180x150 IAB Rectangle
234x60 Half Banner
240x400 Vertical Rectangle
250x250 Square Pop-Up
300x50 Mobile Leaderboard 6:1 aspect ratio
300x250 IAB Medium Rectangle
300x600 IAB Half Page Ad
300x1050 IAB Portrait
320x50 Mobile Leaderboard
320x100 Large Mobile Banner
320x480 Mobile Interstitial
336x280 Large Rectangle
468x60 Full Banner
480x320 Mobile Interstitial Landscape
720x480 Lightbox
728x90 IAB Leaderboard
768x1024 Tablet Interstitial
800x250 EMEA Billboard
800x600 Overlay
970x90 IAB Slider/Pushdown
970x250 IAB Billboard/Sidekick
970x500 IAB Billboard Expanded
1024x768 Tablet Interstitial Landscape


Vox Athena Unit

1800x1000 Wallpaper 1800
1920x1200 Wallpaper 1920



270x480 Vertical, 9:16 aspect ratio
300x200 3:2 aspect ratio
320x240 4:3 aspect ratio


2:3 aspect ratio, Portrait

360x480 Vertical, 3:4 aspect ratio
360x640 Vertical, SD, 9:16 aspect ratio
400x225 16:9 aspect ratio
400x300 4:3 aspect ratio
480x270 16:9 aspect ratio
480x320 3:2 aspect ratio
480x360 4:3 aspect ratio, Landscape
480x640 Vertical, SD, 3:4 aspect ratio
576x1024 Vertical, PAL, 9:16 aspect ratio
640x360 SD, 16:9 aspect ratio
640x480 SD, 4:3 aspect ratio
720x1280 Vertical, 720p HD, 9:16 aspect ratio
768x1024 Vertical, XGA, 3:4 aspect ratio, a.k.a. Tablet Interstitial Landscape
960x1280 Vertical, SXGA-, 3:4 aspect ratio
1024x576 PAL, 16:9 aspect ratio
1024x768 XGA, 4:3 aspect ratio, a.k.a. Tablet Interstitial Landscape
1080x1920 Vertical, 1080p HD, 9:16 aspect ratio
1280x720 720p HD, 16:9 aspect ratio
1280x960 SXGA-, 4:3 aspect ratio
1440x1920 Vertical, 3:4 aspect ratio
1920x1080 1080p HD, 16:9 aspect ratio
1920x800 5:2 aspect ratio
1920x1440 4:3 aspect ratio
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