What size should an Instagram post be?

Recommended feed post size is 1080 × 1350 at 4:5. Square is 1080 × 1080 at 1:1. Landscape is 1080 × 566 at 1.91:1. Design at 1080 × 1350 so a portrait post fills more of the feed.

What are Instagram story dimensions?

Story dimensions are 1080 × 1920 at 9:16. Up to 15 seconds per clip. Keep faces and the CTA inside the centre 1080 × 1420. Stories disappear after 24 hours.

What size should an Instagram Reel be?

Reel size is 1080 × 1920 at 9:16. Use the same frame for the cover. Recommended length is 15–90 seconds; upload up to 3 minutes.

What size is an Instagram carousel or profile picture?

Carousel slides: 1080 × 1350 at 4:5 or 1080 × 1080 at 1:1, up to 20 slides on one ratio. Profile picture: upload 320 × 320 at 1:1; the in-app crop is a circle.

What are Instagram ad specs?

Feed ads: 1080 × 1080 or 1080 × 1350. Story and Reels ads: 1080 × 1920 at 9:16. Soft numbers move — Ads Manager is the final word.

Are these live campaign figures?

These are planning specs. Soft numbers move; the app is the final word.

How should a brand use this when briefing creators?

Name the format and the pixel size on the brief. Delivery is still measured views.

Tools › Specs

Instagram post size guide

Last changed 2026-09-15

The feed still rewards a 4:5 portrait more than a square.

Post

4:5 portrait (1:1 also accepted). Planning specs, re-check upload limits in the app.
Spec	Value
Recommended feed size	1080 × 1350 px
Square post size	1080 × 1080 px, 1:1
Landscape	1080 × 566 px, 1.91:1
Aspect ratio	4:5 fills more of the feed than 1:1
Format	JPG or PNG

Counted

Published 2026 field and pixel limits

Window

Current TikTok / Instagram published caps

Age

Re-check in the app before a launch

Method

How the number is made

Recommended 1080 × 1350, 4:5. Square 1080 × 1080. Landscape 1080 × 566.

A missing or zero denominator is an em dash, never a fabricated zero.

FAQ

Questions this page answers

What size should an Instagram post be?: Recommended feed post size is 1080 × 1350 at 4:5. Square is 1080 × 1080 at 1:1. Landscape is 1080 × 566 at 1.91:1. Design at 1080 × 1350 so a portrait post fills more of the feed.
What are Instagram story dimensions?: Story dimensions are 1080 × 1920 at 9:16. Up to 15 seconds per clip. Keep faces and the CTA inside the centre 1080 × 1420. Stories disappear after 24 hours.
What size should an Instagram Reel be?: Reel size is 1080 × 1920 at 9:16. Use the same frame for the cover. Recommended length is 15–90 seconds; upload up to 3 minutes.
What size is an Instagram carousel or profile picture?: Carousel slides: 1080 × 1350 at 4:5 or 1080 × 1080 at 1:1, up to 20 slides on one ratio. Profile picture: upload 320 × 320 at 1:1; the in-app crop is a circle.
What are Instagram ad specs?: Feed ads: 1080 × 1080 or 1080 × 1350. Story and Reels ads: 1080 × 1920 at 9:16. Soft numbers move — Ads Manager is the final word.
Are these live campaign figures?: These are planning specs. Soft numbers move; the app is the final word.
How should a brand use this when briefing creators?: Name the format and the pixel size on the brief. Delivery is still measured views.

Also

Other campaign tools

Instagram size guide — post, Reel, Story, carousel, and profile picture
Post size, story dimensions, and reel size in one 2026 spec page.
Instagram Reel size guide
Design the Reel frame once at 1080 × 1920.
Instagram carousel size guide
Up to 20 slides, one ratio for the whole set.
All creator-campaign tools

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TrueWave operates human creator campaigns: scripts, measured views, spend and CPM. Write if you want that run for a brand.

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TrueWave

4:5 portrait (1:1 also accepted). Planning specs, re-check upload limits in the app.

Spec

Value

Recommended feed size

1080 × 1350 px

Square post size

1080 × 1080 px, 1:1

Landscape

1080 × 566 px, 1.91:1

Aspect ratio

4:5 fills more of the feed than 1:1

Format

JPG or PNG

Questions this page answers

What size should an Instagram post be?: Recommended feed post size is 1080 × 1350 at 4:5. Square is 1080 × 1080 at 1:1. Landscape is 1080 × 566 at 1.91:1. Design at 1080 × 1350 so a portrait post fills more of the feed.
What are Instagram story dimensions?: Story dimensions are 1080 × 1920 at 9:16. Up to 15 seconds per clip. Keep faces and the CTA inside the centre 1080 × 1420. Stories disappear after 24 hours.
What size should an Instagram Reel be?: Reel size is 1080 × 1920 at 9:16. Use the same frame for the cover. Recommended length is 15–90 seconds; upload up to 3 minutes.
What size is an Instagram carousel or profile picture?: Carousel slides: 1080 × 1350 at 4:5 or 1080 × 1080 at 1:1, up to 20 slides on one ratio. Profile picture: upload 320 × 320 at 1:1; the in-app crop is a circle.
What are Instagram ad specs?: Feed ads: 1080 × 1080 or 1080 × 1350. Story and Reels ads: 1080 × 1920 at 9:16. Soft numbers move — Ads Manager is the final word.
Are these live campaign figures?: These are planning specs. Soft numbers move; the app is the final word.
How should a brand use this when briefing creators?: Name the format and the pixel size on the brief. Delivery is still measured views.