Aspect Ratio Calculator
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Instagram Reels & Story Size

Reels and Stories are full-screen vertical formats: 9:16 at 1080 × 1920 pixels. The same file works for both, but the app draws buttons, captions and your profile name over the picture, so the edges are not safe for text.

Recommended sizes for Instagram Reels and Stories

FormatSize (px)Aspect ratio
Vertical, full screen1080 × 19209:16

Limits

Aspect ratio9:16

Safe zone and tips

Making a 9:16 image from a phone photo

A typical 12-megapixel phone photo is 3024 × 4032. The largest 9:16 area you can cut from it is 2268 × 4032 pixels: crop to that, then scale it down to 1080 × 1920. Cropping first and scaling second keeps everything in proportion.

Check or resize your image

The calculator is set to 1080 × 1920. Enter your own width and height to see their ratio, or type a new width in box 2 to get the height that matches.

1. Find the aspect ratio

×
9:16
Decimal 0.5625 ·
aspect-ratio: 9 / 16;

2. Resize keeping the ratio

×
WidthHeightSize

Frequently asked questions

What is the best size for Instagram Reels and Stories?

Use 1080 × 1920 (Vertical, full screen, 9:16).

Which aspect ratio should Instagram Reels and Stories use?

9:16. Crop to the ratio first and then scale to the size in pixels, so nothing is stretched or cut off unexpectedly.

Do Stories and Reels use the same size?

Yes. Both are 9:16, and 1080 × 1920 is the standard size for each. The difference is the overlay: Reels add a caption and action buttons at the bottom and on the right, so keep important content a little further from those edges.

Other platform sizes

Open the full aspect ratio calculator All platform sizes · All common resolutions