Common working recommendation
Instagram Story & Reel
Common 1080×1920 working size using Instagram's official full-screen 9:16 story ratio.
- Dimensions
- 1080 × 1920 px
- Aspect ratio
- 9:16
- Orientation
- portrait
9:16
Copy and use
Dimensions
1080 × 1920Ratio
9:16CSS
aspect-ratio: 9 / 16;Common uses
- Instagram story
- Instagram reel
- full-screen vertical
AI generation working size
720 × 1280 px
This is practical generation guidance, not a universal model requirement.
Source and status
Common working recommendation
Verified 14 August 2026
Instagram Help Centre documentation