What is an Aspect Ratio?
Aspect ratio is referred to as the relationship between width and height of the image and is expressed in ratios. There are various standards in aspect ratios and must be selected according to the platforms and devices. Aspect ratios are an important aspect for the optimal display of the image.
How to find the Aspect Ratio of the image?
While creating ads it’s important to select an appropriate aspect ratio of the image to be displayed, so that it fits well on the screens of various devices, platforms, and formats. Here are the steps to find the right aspect ratio of the image:
- Find out the dimensions of the image in pixels.
- Calculate the relationship between the width and the height of the image. Note that the width should be first number and height should be second number i.e [width : height]
Example:
Images that are 1920px*1080px are in the 16:9 aspect ratio.
Images that are 1080px*1080px are in the 1:1 aspect ratio.


Different types of Aspect Ratios for various placements
When you create ads for mobile devices, the images and videos must fit the screen accordingly like horizontal, vertical, and square to gain the attention of the viewer. There are different types of aspect ratios that are suitable to fit various placements and formats. So, it’s important to find which placements support which aspect ratio. Here are some aspect ratios recommended for suitable placements and formats:
For feed placements
Aspect ratio is Square 1:1 (1080px*1080px) for images and vertical 4:5(1200px*1500px) for videos.


For stories placements
Aspect ratio is Vertical 9:16 (1080px*1920px) for both images and videos. (As most of the users hold the vertically when viewing the stories)

For Image & video carousel format
Aspect Ratio is Square 1:1 (1080px*1080px) for images and is same for all the video in a carousel.

For in-stream video
Aspect Ratio is Horizontal 16:9 (1920px*1080px) to fit the videos the ads are in.

Audience Network placements
Aspect Ratio is vertical 9:16 (1080px*1920px).

For Instagram Shop
Aspect Ratio is square 1:1 (1080px*1080px).

Aspect Ratios supported by various placements in Ads Manager
In Ads Manager, the Aspect Ratios of images and videos differ for various placements. Here are the recommended aspect ratios of images and videos supported by various placements in the ads manager:
For Feeds
1. Facebook Feed
1:1 (1080px*1080) for images and 4:5 (1200px*1500px) for videos.


2. Instagram Feed & Explore
1:1 (1080px*1080) for images and 4:5 (1200px*1500px) for videos.


3. Facebook market Place
1:1 (1080px*1080) for images and 4:5 (1200px*1500px) for videos.


4. Facebook Video Feeds
1:1 (1080px*1080) for images and 4:5(1200px*1500px) for videos.


5. Facebook Right Column
1.91:1 (1200px*627px) for images and videos

6. Instagram Shop
1:1 (1080px*1080) for images

7. Messenger Inbox
1:1 (1080px*1080) for images and videos

For Stories
1. Facebook Stories
9:16 (1080px*1920px) for images and videos

2. Instagram Stories
9:16 (1080px*1920px) for images and videos

3. Messenger Stories
9:16 (1080px*1920px) for images and videos

For Instream
Facebook Instream Video
16:9 (1920px*1080px) for images and videos

For Search
Facebook Search Results
1.91:1 (1200px*627px) for images and 1:1 (1080px*1080) for videos


For Messages
1. Messenger Sponsored Images
1.91:1(1200px*627px) for images and videos

2. Facebook Instant Articles
1.91:1 (1200px*627px) for images and videos

For Apps and Sites
1. Audience Network native, banner & interstitial
9:16 (1080px*1920px) for images and videos

2. Audience Network rewarded video
9:16 (1080px*1920px) for images and videos



