Google Display

Google Display Half Page Ad Size: 300×600 px

Aspect ratio 1:2 · 300×600 pixels · JPG, PNG, GIF, HTML5

300×600 tall banner, typically right-rail on desktop content sites.

Dimensions
300×600
Aspect
1:2
Max file
0.15 MB
Format
JPG
Resize to 300×600
Safe area
300 × 600 px

Why this size matters

Highest-viewability of the standard fixed sizes — the tall aspect stays in-viewport as users scroll long articles.

At a glance
Formats
JPG, PNG, GIF, HTML5
Max file size
0.15 MB
Best for
High-impact right-rail placement on desktop.

Design tips that actually move the needle

  1. 01Vertical composition — logo top, product middle, CTA bottom.
  2. 02Under 150 KB.
  3. 03Desktop-only — mobile doesn't render 300×600.

People also ask

Is 300×600 worth shipping?+

For desktop-heavy audiences, yes — highest viewability score of the standard sizes.

What is 1:2 in pixels?+

For Google Display Half Page, a 1:2 aspect ratio is 300×600 pixels. Any resolution with the same ratio works, but 300×600 px is the recommended native size and avoids upscaling.

Is 300×600 the right size for Google Display Half Page?+

Yes — 300×600 px (1:2) is the recommended Google Display Half Page ad size. Accepted formats: JPG, PNG, GIF, HTML5. Maximum file size: 0.15 MB.

Related sizes

Google Display
Medium Rectangle · 300×250
6:5 · Google's highest-inventory display size.
Google Display
Leaderboard · 728×90
8:1 · Desktop-heavy publishers — top-of-page banner.

Free tools for this size

Aspect ratio reference

→ 1:2 aspect ratio: pixel sizes, mm and placements

Full platform reference

→ All Google Display ad specs

Stop resizing by hand. Xeli does it for you.

Xeli composes every asset to the correct native aspect and safe zone per placement — automatically, across every platform.

Get early access