320×48 ad size: the small mobile banner

Not in Google’s list of image sizes

Phones and appsup to 6 products≤ 150 KBdesign at 640×96
0.67%click rate · 1.8× the average banner
1.6%of all banner views
#10of 15 sizes by clicks

CTR and views: a sample of our own data, September 1 to October 31, 2026. Updated monthly.

320 px48 px 320×48 banner ad example: several products with prices from a Shopify store (Zipped Jacket)
Real size · click the ad to open itJump to the specification ↓
All 15 sizes, drawn to scalepick another size ↓
Strips320x48300x50320x50468x60728x90320x100
Rectangles180x150200x200250x250300x250250x300480x320
Tall320x480160x600300x600

320×48 at a glance

Size
320 × 48 pixels, landscape
Names
Small mobile banner
Google Ads name
not in Google's list
Screens
Phones and apps
File size
up to 150 KB (JPG, PNG, GIF)
In an Adeagle ad
6 products in a grid, or one product with its name
Share of impressions
1.6% in our network
Click rate
0.67% - 1.8× the average banner

How the 320×48 performs in our network

What we see on Adeagle
320×48 against the average banner
320×48 small mobile banner0.67%
Average banner0.37%
320×50 mobile leaderboard0.18%
300×250 medium rectangle0.46%
Click rate = counted clicks ÷ banner impressions, September 1 to October 31, 2026; 1,710,301 impressions of Shopify product ads in all sizes. 320×48 ranks 10 of 15 sizes by click rate and carried 1.6% of the impressions.

When to use the 320×48

✓ Good forExtra reach in apps that never moved to 320×50.
! Watch outAs small as banners get; the photo has to do all the work.

Design tips for 320×48 ads

  1. Same rules as 320×50: one object per photo, plain background, short prices.
  2. Keep the file under 150 KB and export it at exactly 320×48; design at 640×96 so it stays sharp on phones.
  3. Show a price - it answers the first question before the click.

Sizes to run with the 320×48

One size never covers every slot. These fit the same screens:

320×500.18% click rate · phones and apps300×2500.46% click rate · desktop and phone300×500.35% click rate · phones and apps480×3201.01% click rate · phones and apps

Or see all 15 standard ad sizes on one page. Adeagle makes every one of them from your product photos, names and prices - no design work, and a new product appears in every size the day you add it.

Sources: Adeagle network data (September 1 to October 31, 2026); Google Ads image ad specifications. The example ads use the products of Adeagle's demo store.

More banners

BannersBanner ad examples

60 real banner ads in every standard size, with what each kind gets clicked - click one to land on the product.

Free toolCTR calculator

Your click-through rate, and how it compares with a typical small store.

Questions about the 320×48 ad size

A 320×48 ad is called the small mobile banner. It is not in Google's list of image ad sizes - it runs mostly through other ad networks and in apps.

An older app banner, two pixels shorter than 320×50; still in many apps.

150 KB per image in Google Ads, as a JPG, PNG or GIF; most other networks use the same limit. Design at 2× (640×96) for sharp phone screens and export at 320×48.

Adeagle shows 6 products in a grid, or one product with its name in this size, each with its price if you choose.

Extra reach in apps that never moved to 320×50. In our network it got a 0.67% click rate - 1.8× the average banner (0.37%) - and was 1.6% of all banner impressions.