Ratio guide

4:5 Aspect Ratio Calculator

4:5 is Instagram’s tallest in-feed photo. It occupies more screen than 1:1 without opening as a Story. 1080×1350 is the size to export.

4:5 calculator

Width or height + a ratio. The other side fills in.

Ratio presets

Platform sizes

Pixel preview

16:9
Proportion only — not 1:1 pixels

Where 4:5 shows up

  • Instagram portrait posts
  • Facebook feed portraits
  • Lookbooks
  • Product stills

Typical 4:5 pixel sizes

Whole-pixel sizes that keep 4:5
UseRatioWidthHeightPixels
800×10004:58001000800×1000
IG portrait4:5108013501080×1350
1440×18004:5144018001440×1800
2160×27004:5216027002160×2700

Notes

Height = width × 5 ÷ 4. 1080 wide becomes 1350 tall.

4:5 is not Stories. Stories and Reels want 9:16. Using 4:5 there adds empty bands.

Keep text away from the extreme top and bottom; some apps overlay icons on 4:5 tiles.