Aspect ratios·0.800
4:5 resolutions
4:5 is a slightly tall rectangle and the tallest shape Instagram allows in the feed, which is why portrait posts take up more screen than square ones.
Aspect Ratio Calculator
4:5 is a slightly tall rectangle and the tallest shape Instagram allows in the feed, which is why portrait posts take up more screen than square ones.
Every common 4:5 resolution
| Resolution | Name | Megapixels | Exact ratio |
|---|---|---|---|
| 864x1080 | Small portrait | 0.93 | 4:5 |
| 1080x1350 | Instagram portrait post | 1.46 | 4:5 |
| 1440x1800 | High-resolution portrait | 2.59 | 4:5 |
Used for
Instagram portrait posts.
Frequently asked questions
What is 4:5 in pixels?
4:5 is a slightly tall rectangle and the tallest shape Instagram allows in the feed, which is why portrait posts take up more screen than square ones.
What is 4:5 used for?
Instagram portrait posts.
How do I work out a 4:5 height from a width?
Multiply the width by 5 and divide by 4. For a width of 1080 that gives 1350.
What is the difference between aspect ratio and resolution?
The ratio is the shape and the resolution is the number of pixels. Every size in the table has the same shape but a different level of sharpness.