These Are the Best Sizes for Display Ads in 2025

We rounded up—and visualized—the best-performing sizes for display ads in 2025.

Whether you’re an advertiser who wants to check out the latest and greatest mobile and computer display ad sizes, or a publisher looking to make sure that the right placeholders are set up on their website, read on.

These are the most common ad formats for mobile devices and computers:

Display ad sizes for computers and mobile devices

And here they are presented in a table:

Device	Shape	Dimensions	Size
Mobile	Rectangular	320 x 100 px	< 150 kb
Mobile	Rectangular	320 x 50 px	< 150 kb
Mobile	Rectangular	300 x 200 px	< 150 kb
Mobile	Rectangular	300 x 100 px	< 150 kb
Mobile	Rectangular	300 x 50 px	< 150 kb
Mobile	Square	250 x 250 px	< 150 kb
Mobile	Square	200 x 200 px	< 150 kb
Computer	Horizontal	970 x 90 px	< 150 kb
Computer	Horizontal	728 x 90 px	< 150 kb
Computer	Horizontal	468 x 60 px	< 150 kb
Computer	Vertical	300 x 600 px	< 150 kb
Computer	Vertical	160 x 600 px	< 150 kb
Computer	Vertical	120 x 600 px	< 150 kb
Computer	Rectangular	336 x 280 px	< 150 kb
Computer	Rectangular	300 x 250 px	< 150 kb

Ads come in all shapes and forms. However, as you can see from the table above, all your ads must have a size of less than 150 kb.

This is because Google Ads currently has a file size limit of 150 kb for image and HTML5 ads. You can find more information about this limit here.

Display Ad Sizes for Mobile Devices

The most common display ad sizes for mobile devices are:

Rectangular
- 320 x 100 px
- 320 x 50 px
- 300 x 200 px
- 300 x 100 px
- 300 x 50 px
Square
- 250 x 250 px
- 200 x 200 px

Scroll down to see each of them in action.

320 x 100 (Large Mobile Banner)

Example for a 320 x 100 ad banner — The 320 x 100 large mobile banner ad

320 x 50 (Mobile Leaderboard)

Example for a 320 x 50 ad banner — The 320 x 100 large mobile banner ad

300 x 200

300 x 100

300 x 50

250 x 250 (Square)

Example for a 250 x 250 ad banner — The 250 x 250 square ad

200 x 200 (Small Square)

Example for a 200 x 200 ad banner — The 200 x 200 small square ad

Display Ad Sizes for Computers

The most common display ad sizes for computers, desktop or laptop, are:

Horizontal
- 970 x 90 px
- 728 x 90 px
- 468 x 60 px
Vertical
- 300 x 600 px
- 160 x 600 px
- 120 x 600 px
Rectangular
- 336 x 280 px
- 300 x 250 px

Scroll down to see each of them in action.

970 x 90 (Large Leaderboard)

Example for a 970 x 90 ad banner — The 970 x 90 large leaderboard ad

728 x 90 (Leaderboard)

Example for a 728 x 90 ad banner — The 728 x 90 leaderboard ad

468 x 60 (Main Banner)

Example for a 468 x 60 ad banner — The 468 x 60 main banner ad

300 x 600 (Half Page)

Example for a 300 x 600 ad banner — The 300 x 600 half-page ad

160 x 600 (Wide Skyscraper)

Example for a 160 x 600 ad banner — The 160 x 600 wide skyscraper ad

120 x 600 (Skyscraper)

Example for a 120 x 600 ad banner — The 120 x 600 skyscraper ad

336 x 280 (Large Rectangle)

Example for a 336 x 280 ad banner — The 336 x 280 large rectangle ad

300 x 250 (Medium Rectangle)

Example for a 300 x 250 ad banner — The 300 x 250 medium rectangle ad

Which Display Ad Sizes Perform the Best?

According to Google, the following display ad sizes perform the best: the 300 x 250 medium rectangle, the 336 x 280 large rectangle, the 728 x 90 leaderboard, the 300 x 600 half-page, and the 320 x 100 large mobile banner. (All sizes are in pixels.)

For you as an advertiser, this means you should consider these ad sizes for your campaigns. Considering that 51.4% of internet traffic came from mobile devices in 2021, you should use as many mobile-friendly ad sizes as possible.

For you as a publisher, this means that you should make sure that there are enough placeholders for these top-performing ad sizes on your pages so that advertisers can bid for ads on them and increase your revenue.