Size Guide

Instagram Ad Size Guide 2026

July 3, 2026 · 3 min read · Fourmeld Blog

Instagram ads must use the correct dimensions to display properly and reach the maximum audience without cropping.

Instagram Image Dimensions

FormatDimensionsNotes
Feed photo ad1080 × 1080 pxSquare 1:1 — recommended for most ads
Feed landscape ad1080 × 566 px1.91:1 ratio
Feed portrait ad1080 × 1350 px4:5 ratio — gets most screen space
Story/Reel ad1080 × 1920 px9:16 vertical full-screen
Carousel ad1080 × 1080 pxSquare; up to 10 cards

Tips

FAQs

What happens with wrong dimensions?

The platform auto-crops which may cut off important parts of your image.

Which format — JPG or PNG?

JPG for photos (smaller). PNG for graphics with text or transparent areas.

Can I use one size for all formats?

Use 1080x1080 as a safe square size that works across most Instagram placements.

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