Instagram Post Size Guide
The right Instagram post size is 1080 x 1350 px for a portrait post, 1080 x 1080 for a square and 1080 x 1920 for stories and reels. Drop in your photo to see how Instagram will crop it in the feed, a carousel, a story and your profile grid. Free, no login.
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theo.kWhat size is an Instagram post?
Every Instagram post is 1080 px wide. The height depends on the shape: 1350 px for a 4:5 portrait, 1080 for a square and 566 for a 1.91:1 landscape. Portrait takes up the most screen in the feed, so it's the safe default. Stories and reels are 1080 x 1920 (9:16).
| Format | Pixels | Ratio |
|---|---|---|
| Portrait post | 1080 x 1350 | 4:5 |
| Square post | 1080 x 1080 | 1:1 |
| Landscape post | 1080 x 566 | 1.91:1 |
| Story or reel | 1080 x 1920 | 9:16 |
| Profile grid tile | 1080 x 1440 | 3:4 |
| Profile picture | 320 x 320 | 1:1, shown as a circle |
Is 1080x1350 4:5 or 3:4?
1080 x 1350 is 4:5. A 3:4 image at the same width is 1080 x 1440. The difference shows on your profile: since January 2025 the grid shows every post as a 3:4 tile, so a 4:5 post loses a thin strip, about 3%, from each side there. The feed still shows it whole.
What size is an Instagram story or reel?
1080 x 1920 px, a 9:16 frame that fills the phone screen. Keep text and faces out of roughly the top 250 px and the bottom 380 px, where the name, reply bar and buttons sit. Turn on "Show what Instagram covers" above to see it. On your profile, a reel shows as a 3:4 crop from the middle.
Should you use 4:3 or 16:9?
For feed posts, neither is ideal. Both are landscape shapes, and Instagram accepts anything up to 1.91:1, so they upload uncropped but take up less of the screen than a 4:5 portrait. For reels and stories, use 9:16, which is 16:9 turned upright. A 16:9 video in a reel plays with bars above and below.
Frequently asked
What is the best aspect ratio for Instagram?
4:5 portrait for feed posts. It fills more of the screen than any other shape and nothing gets cut. Stories and reels are 9:16, and wide photos can go up to 1.91:1. On your profile, every post shows as a 3:4 tile, so a square post loses a bit of each side there.
Will Instagram crop my photo?
Only if it's taller than 4:5 or wider than 1.91:1. Anything in between can upload whole. A taller photo gets cut to 4:5 and a wider one to 1.91:1, and you drag to choose what stays. Crop it yourself first and you decide.
What size is an Instagram carousel?
Each slide is 1080 px wide, usually 1080 x 1350 for portrait. All slides take the shape of the first one, so mixing a portrait and a landscape photo crops one of them. A carousel holds up to 20 photos or videos.
What size is an Instagram profile picture?
Upload a square of at least 320 x 320 px. Instagram shows it as a circle, so the corners are cut off. Keep your face or logo in the middle.