Instagram Carousel Size in 2026: Every Ratio, and the Grid Crop Nobody Warns You About
August 13, 2026 · 10 min read
The correct Instagram carousel size is 1080 × 1350 pixels, a 4:5 portrait ratio. That is the answer most people came for, and you can stop reading if it is all you need.
But the Instagram carousel size is the easy part, and it is not where carousels actually go wrong. They go wrong because the profile grid crops the cover slide differently than the feed does, because the first slide silently locks the aspect ratio for all twenty that follow, and because Instagram's own interface sits on top of the bottom of every frame. Designers who know the pixel dimensions by heart still lose headlines to all three.
This guide covers the numbers, then the things the numbers do not tell you.
Every Instagram carousel size at a glance
A carousel supports four aspect ratios. Every slide in the post must use the same one.
Whichever Instagram carousel size you pick, the upload width caps at 1080 pixels. Exporting at 2160 or 4320 wide does not buy you a sharper post — Instagram downsamples it on ingest, and an aggressive downsample can soften fine type more than a clean 1080 export would have. Design at 2× if you like working large, but export the final file at 1080 wide.
The practical floor is 320 pixels wide. Anything below that gets upscaled and looks it. Instagram's own posting guidelines are the authority if a spec changes after this was written.
| Ratio | Pixels | Where it makes sense |
|---|---|---|
| 4:5 portrait | 1080 × 1350 | The default. Most feed space with the longest track record. |
| 3:4 portrait | 1080 × 1440 | Newer, slightly taller, matches the profile grid ratio exactly. |
| 1:1 square | 1080 × 1080 | Photo sets, product grids, anything that also gets reused off-platform. |
| 1.91:1 landscape | 1080 × 566 | Rarely worth it. Surrenders roughly 60% of the vertical space of 4:5. |
Instagram carousel size vs the profile grid crop
This is the single most common way a carousel cover gets ruined, and it happens after you post.
Instagram's profile grid previews posts at 3:4, roughly 1015 × 1350 pixels. Your 4:5 cover slide is 1080 wide. The grid does not letterbox it — it trims about 32 pixels off each side, 65 pixels in total.
Thirty-two pixels a side sounds like nothing. It is enough to clip the first and last letter of a headline that runs edge to edge, shave the edge off a logo sitting flush left, or cut the outer ring off a circular badge. Your cover looks correct in the feed and broken on your profile, which is exactly where a new visitor sees it first.
Two ways to handle it:
- Design at 4:5 with a 60px horizontal margin. Keep all type and logo marks inside a 960-pixel-wide safe column, centred. Backgrounds and photography can bleed to the edge; they crop gracefully.
- Design the cover at 3:4 (1080 × 1440). It matches the grid exactly, so nothing is trimmed there — but then the whole carousel has to be 3:4, since the ratio is shared.
3:4 or 4:5 — which Instagram carousel size should you use?
3:4 gives you about 7% more vertical height than 4:5 and lines up perfectly with the grid. Both are real advantages, and if you have ever lost a word off the side of a cover, the second one is not small.
The case for staying on 4:5 is less exciting but harder to argue with. It is what the carousel uploader still defaults to, it is what every template library and scheduling tool is built around, and it is the ratio Instagram's own feed layout has been tuned against the longest. Instagram began supporting 3:4 photos natively in 2025, but reports on how consistently the taller option is honoured on carousel upload have been mixed — a real risk when you are shipping a campaign rather than testing one post.
A reasonable position: make 4:5 with a proper side margin your standard Instagram carousel size, and test 3:4 on individual posts where the extra height genuinely earns something — a tall chart, a full-bleed portrait, a stat you want to land at full size. Do not migrate a whole content calendar to a ratio you have not verified end to end.
What you should not do is mix them within one carousel. Instagram forces a single ratio across the post, so a 1:1 slide dropped into a 4:5 set gets padded with bars or cropped to fit. Both look like a mistake, because they are one.
The first slide sets the rule for the other nineteen
Carousels hold up to 20 slides, raised from 10 back in 2024. Almost nobody uses all twenty, and that is usually the right call — but the limit is there.
The part that catches people out is that the first slide you upload determines the aspect ratio for the entire post. Every slide after it is cropped or padded to match. If slide one is square and slides two through eight are portrait, you have just committed a square carousel and thrown away the bottom fifth of seven designs.
So: check the cover before you upload, not the set. Get slide one right and the rest follow.
You can reorder or replace individual slides after publishing without deleting the post — genuinely useful when a typo makes it to slide four. You cannot change the aspect ratio after the fact. That decision is final at upload.
Safe zones: where Instagram's UI covers your design
Your artboard is 1080 × 1350. The area you can actually rely on is smaller, because Instagram draws its own interface over the image. The Instagram carousel size you export is not the area you can safely design into.
- Bottom ~120px — the slide-position dots sit here, centred, over your artwork. Do not put a subtitle, a URL, or a logo in this band on any slide.
- Top-right corner — the slide counter ("1/8") overlays this area on multi-slide posts.
- Left and right 60px — trimmed on the profile grid, as covered above.
- Bottom edge in Reels-style surfaces — carousels resurfaced in fullscreen contexts lose more from the bottom than the standard feed does.
Export settings that keep a carousel sharp
Instagram recompresses everything you upload. You cannot prevent that, but you can hand it a file that survives it well.
- 1080 pixels wide, exactly. Matching the target width avoids a resample step before compression.
- sRGB, not Adobe RGB or P3. Wide-gamut files get converted on ingest and the conversion routinely dulls saturated colour. A brand orange that turns brick-red between your screen and the app is almost always a colour profile problem.
- JPEG at 85–90% quality for anything photographic. Above 90% you add file size that compression discards anyway.
- PNG only for flat colour and heavy type. Screenshots, UI mockups, charts, dense text slides — PNG holds edges that JPEG smears. For photos, PNG is a large file that gets recompressed to JPEG regardless.
- File size under 8 MB per slide, with real headroom below that. Larger files get compressed harder.
- Type at 24px minimum on a 1080-wide slide, and check it at thumbnail size before you ship. Feed posts are read on a phone in one hand.
Instagram carousel size mistakes that cost the most
The dimensions are easy to look up. These are the errors that survive knowing them, roughly in the order they show up in real work.
Designing the cover last. The cover carries more weight than any other slide — it has to survive the grid crop, read at thumbnail scale, and earn the swipe. Built as an afterthought once the other slides are locked, it inherits a layout designed for a different job. Design it first, or at minimum design it separately.
Trusting the preview in your design tool. Your artboard shows the full frame, clean. The feed shows it with interface on top; the grid shows it trimmed at the sides. Neither is what you are looking at while you work, which is why layouts that seemed fine on a 27-inch monitor fall apart on a phone. Post one test slide to a private account before committing a campaign to a layout.
Letting the copy decide the layout. A headline that fits at six words and breaks at nine is not a design, it is a coincidence. Set the maximum height of the type block first, then write to it. This is the single biggest reason a template stops working on its fourth use.
Reusing story artwork as carousel slides. A 9:16 story is far taller than any Instagram carousel size. Dropping it into a 4:5 set means losing roughly a third of the height, and the part that goes is usually the bottom — where the call to action lives. Rebuild rather than crop.
Putting the logo in the corner on every slide. The bottom band is covered by the position dots and the top-right by the slide counter. A logo repeated in a covered corner across ten slides is ten wasted placements. Put it on the cover, cleanly, and leave the interior slides to do their work.
Archiving only the flat exports. The JPEGs are the output, not the source. When the ratio changes — and it will — a folder of flat files is a folder of work to redo. Keep the layered originals somewhere you will find them.
Choosing an Instagram carousel size that survives the next change
Instagram has changed feed and grid dimensions repeatedly — its own 2026 sizes guide is the latest revision, not the last one. The real cost of that is not learning a new number. It is that every flattened JPEG in your archive is now the wrong shape, and reproducing them means rebuilding them.
That is a file-format problem, not a design problem. A flat export has no idea where the headline ends and the background begins, so a new Instagram carousel size means starting over. A layered file with real text layers and a defined structure can be re-measured and re-laid out for a new ratio, because the pieces are still separate.
What that looks like in practice:
- Keep type as live text, never rasterised into the background. A resize should reflow the headline, not stretch it.
- Anchor elements to edges, not coordinates. "32px from the bottom-left" survives a ratio change; "at y=1290" does not.
- Keep the safe area as a layer in the working file so it travels with the design.
- Build the cover as its own composition, not slide one of a template. It carries a different job — it has to work cropped, at thumbnail size, in a grid of nine.
One layered file, every carousel ratio exported from it
Everything above comes down to a single problem: a flattened JPEG cannot be re-laid out, so every ratio change means rebuilding the set by hand. Lawh works the other way around. You describe the carousel and get back a real layered file with live text layers rather than a picture, and the layout engine measures your actual copy to compute spacing, then reports clipping or contrast problems before you export. Change the ratio from 4:5 to 3:4 and the headline reflows inside the safe area instead of stretching. Export to PSD when you need to hand the file to someone else.
Design a carousel in LawhFrequently asked
- What is the best Instagram carousel size?
- The best Instagram carousel size is 1080 × 1350 pixels (4:5 portrait). It occupies the most feed space among the widely supported ratios and remains the uploader's default. Design with a 60-pixel margin on the left and right so the cover slide is not clipped by the 3:4 profile grid crop.
- Can I mix different image sizes in one Instagram carousel?
- No. Instagram applies a single Instagram carousel size to the entire post, set by the first slide you upload. Any slide with a different ratio is cropped or padded to match. Export every slide at the same dimensions before uploading.
- How many slides can an Instagram carousel have?
- Up to 20, raised from 10 in 2024. You can reorder or replace individual slides after publishing, but you cannot change the aspect ratio of a carousel once it is posted.
- Why does my carousel cover look cropped on my profile?
- The profile grid previews posts at 3:4, roughly 1015 pixels wide, while your slide is 1080 wide. Instagram trims about 32 pixels from each side rather than letterboxing. Keep text and logos inside a 960-pixel centred column and the crop stops mattering.
- Should I use 3:4 (1080 × 1440) instead of 4:5?
- 3:4 gives roughly 7% more height and matches the grid ratio exactly, so covers are not trimmed. But 4:5 is still the uploader default and what most templates and scheduling tools assume. Test 3:4 on individual posts before moving a full content calendar onto it.
- Does uploading at 4K make my carousel sharper?
- No. Instagram caps upload width at 1080 pixels regardless of the Instagram carousel size you design at, and an aggressive downsample can soften fine type. Work at 2× if you prefer, but export the final file at 1080 wide in sRGB.