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Image Ratios for Social Media: 1:1, 4:5, 9:16 and 16:9, and How to Crop

Pick the ratio that matches where you post so nothing important gets cut.

By Nattanon Roddeth · Last updated October 21, 2026

Each platform shows images in a different ratio. If you upload without preparing, the system may cut off an important part. Recommended sizes change, so check the platform's help page.

Common ratios

RatioExample sizeUsed for
1:11080×1080Square posts, profile photos
4:51080×1350Portrait posts on Instagram
9:161080×1920Stories, reels, short video
16:91280×720YouTube video, article covers

Crop to fit

  1. Open the Crop, Rotate and Flip tool
  2. Choose a photo, then rotate or flip it if needed
  3. Pick a frame ratio and drag the frame over the important part
  4. Tap Crop and save

Resize without distortion

To scale up or down and keep the proportions, use the Aspect Ratio Calculator. Enter the original size, then a new width, and the height is worked out for you.

Try the crop tool

FAQ

Does cropping make the picture smaller?

The pixel count drops by the part you cut away, but what you keep stays just as sharp.

What ratio do phone cameras use?

Most phone cameras shoot at 4:3 or 16:9, depending on the setting.

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