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Instagram image sizes

Instagram shows feed photos 1080 pixels wide, in any shape from 1.91:1 landscape (1080 × 566) to 3:4 portrait (1080 × 1440). The resizer opens on 1080 × 1440, the tallest shape, so your photo takes up as much of the feed as it can.

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At a glance

Width Instagram keeps
1080 pixels. Wider photos are sized down to 1080; photos narrower than 320 pixels are enlarged to 320.
Source: help.instagram.com, checked 2026-11
Shapes kept without cropping
From 1.91:1 landscape to 3:4 portrait: 1080 wide and 566 to 1440 tall. Anything outside that range is cropped.
Source: help.instagram.com, checked 2026-11
Tallest feed post
1080 × 1440 (3:4)
Source: help.instagram.com, checked 2026-11
Other common feed sizes
1080 × 1350 (4:5), 1080 × 1080 (1:1) and 1080 × 566 (1.91:1)

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Instagram image sizes: what to know

This page starts the social media image resizer for this case. For every option and how to use it, see the social media image resizer.

Which Instagram size to pick

Pick 3:4 (1080 × 1440) or 4:5 (1080 × 1350) for photos of people, products and anything taller than it is wide. They fill more of the screen than a square, so they get more attention as people scroll.

Pick square (1080 × 1080) when you want the grid to look even, and landscape (1080 × 566) only for wide scenes, because they show small in the feed.

Questions

What size is an Instagram post in 2026?

1080 pixels wide, and between 566 and 1440 pixels tall. 1080 × 1440 (3:4) is the tallest, 1080 × 1080 is square and 1080 × 566 (1.91:1) is the widest.

What is the best ratio for Instagram photos?

A tall ratio, 3:4 or 4:5, because it takes up the most room in the feed. Your profile grid also shows posts as 3:4 tiles.

Does Instagram reduce photo quality?

It resizes photos to 1080 pixels wide. Upload at 1080 wide and the right shape, and Instagram has nothing to crop or shrink.