Video size
Instagram Stories video size
Stories run full screen at 9:16. The top carries the progress bars and profile row, the bottom the reply box, so the usable area is narrower than it looks.
- Resolution
- 1080x1920
- Aspect ratio
- 9:16
- Also accepted
- 1:1 · 4:5
File: MP4 or MOV, H.264 video, AAC audio.
Length: Stories split into segments as they upload, so length matters less than where your cuts land.
Dimensions and ratios are stable. Length and file caps change often, these were checked in July 2026. Platform docs.
Crop calculator
Put in the size of the footage you have. You get the largest 9:16 crop that fits inside it, where to place it, and what to export.
- Crop box
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- Offset from top left
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- Trimmed away
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- Export at
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Shaded bands are where the Instagram interface sits. Keep text and faces out of them.
Do the crop on your phone
Cropzen crops, trims and resizes video to these ratios on Android. No watermark, no sign-up, exports up to 4K.
What to watch out for on Instagram
- Keep anything important inside the middle 1,420 pixels of height.
- Stickers and polls placed near the very bottom get covered by the reply field on some devices.
- Uploading a Reel-sized export to Stories works with no changes.
Questions people ask
What size should a Instagram Stories video be?
1080 by 1920 pixels, an aspect ratio of 9:16. Stories run full screen at 9:16. The top carries the progress bars and profile row, the bottom the reply box, so the usable area is narrower than it looks.
Which aspect ratio does Instagram accept besides 9:16?
1:1, 4:5 all upload, but they show bars or get cropped. 9:16 is the one that fills the frame.
Where does the Instagram interface cover the video?
Roughly the top 250 pixels, the bottom 250 pixels and the right 120 pixels at 1080x1920. Keep text and faces out of those bands.
How do I crop a video I already shot to this size?
Use the calculator on this page to get the exact crop box, then apply it in any editor. On Android, Cropzen does it in a few taps with no watermark and no sign-up.