If your company has ventured into any sort of online advertising, chances are you’re using Google Ads (formerly AdWords). And if you’re using Google Ads, chances are — no, this one’s a definite: If you’re using Google Ads, you need to have a solid understanding of what banner sizes to use.

And that’s where your favorite digital marketing agency (that’s us) comes in.

Most Common Google Ads Display Ad Sizes

Mobile Ads

  • 300 x 250
  • 320 x 100
  • 250 x 250 – Square
  • 200 x 200 – Small Square

Computer Ads

  • 300 x 250
  • 336 x 280 – Large Rectangle
  • 728 x 90 – Leaderboard
  • 300 x 600 – Half-Page Ad
  • 160 x 600 – Wide Skyscraper
  • 970 x 90 – Large Leaderboard
  • 468 x 60 – Banner
  • 250 x 250 – Square
  • 200 x 200 – Small Square

Oh, right. There’s one more. There’s one ad size not available for use on desktop / tablet advertising, but is available on the fanciest of the fancy mobile devices; that’s this one:

  • 320 x 50 – Mobile Leaderboard

“Okay, good. I got it. Can I go back to daydreaming now?”

Not quite. That’s an all encompassing list of all the sizes Google Ads can, and will accommodate, but that doesn’t mean they’re created equal. Let’s dig a little deeper and consider:

The Google Ads Banner Sizes That Perform Best

Google’s pretty handy this way; they’ve provided a helpful resource to help your company, and your digital marketing partner determine which banner sizes perform best for your needs. So which sizes ranked highest?


  • Medium Rectangle (300×250)
  • Large Rectangle (336×280)
  • Leaderboard (728×90)
  • Half Page (300×600)
  • Large Mobile Banner (320×100)

When you are finished, you can upload image ads to Google as GIF, JPG, and PNG and make sure they are under 150KB. There you have it. Now you know.

I’ve got just one more thing to share with you.

When it comes to mastering the art of online advertising with Google Ads:

Size matters. But design does too.

Display ads — while sure, they tend to get a lower direct click through rate than search ads — should be visually striking, with carefully crafted text, just the right mix of fonts, color, graphics, and maybe even animation. They’re great for raising your brand awareness and when used for remarketing purposes, potential customers are more and more likely to make a purchase if not today, then maybe tomorrow.

The creation of an effective display ad is not a project undertaken lightly, but one that requires the collaborative effort of you — the business owner who has worked so hard to stamp your company with your own unique brand — and Conversion Pipeline, the digital marketers who’ve made it our mission to use all the tools in our arsenal to drive the right customers your website, to the make the right purchases.

Still Have Questions On Google Ad Sizes?

No problem, contact us. After all we are a Google Premier Partner and know a thing or two about Google Display Ad sizes. Fill out the form below and we will respond. Check out other informative articles at DC Metro Business News.