Resolution guide
What Aspect Ratio Is 1080 x 1920?
1080 x 1920 simplifies to 9:16, the vertical frame used by phone cameras, Stories, Reels, Shorts, and TikTok. The order matters: reversing the numbers produces 16:9 landscape.
How it simplifies to 9:16
The greatest common divisor of 1080 and 1920 is 120. Dividing gives 1080 / 120 = 9 and 1920 / 120 = 16. The frame contains the same 2,073,600 pixels as 1920 x 1080, only rotated.
- Resolution
- 1,080 x 1,920
- Exact ratio
- 9:16
- Total pixels
- 2,073,600
- Greatest common divisor
- 120
What the frame looks like
A 9:16 canvas is taller than 2:3, 3:4, or 4:5. It fills a phone held upright. Keep faces, captions, and calls to action away from the top and bottom areas where app controls often appear.
How it compares
Reversing 1080 x 1920 produces 1920 x 1080. Both frames contain 2,073,600 pixels, but their ratios are reciprocal: 0.5625 for 9:16 portrait and 1.7778 for 16:9 landscape.
Devices and formats that use it
- Phone cameras recording in portrait
- Instagram Reels and Stories
- YouTube Shorts
- TikTok full-screen video
Same ratio, different resolutions
| Resolution | Total pixels | Ratio |
|---|---|---|
| 360 x 640 | 230,400 | 9:16 |
| 720 x 1280 | 921,600 | 9:16 |
| 1440 x 2560 | 3,686,400 | 9:16 |
Calculate or change this size
Multiply width by 16/9 to find height, or multiply height by 9/16 to find width. A width of 1080 therefore requires a height of 1920.
To place an image in this frame, use the image aspect ratio changer. Choose Crop to fill the frame, Fit to preserve the whole image, or Pad to add a background.
Frequently asked questions
Is 1080 x 1920 portrait or landscape?
It is portrait because the height is greater than the width.
Is it the same as 1920 x 1080?
It has the same pixel count and rotated proportions, but its written ratio is 9:16 rather than 16:9.
Which platforms use 1080 x 1920?
It is widely used for TikTok, Reels, Stories, and YouTube Shorts.
How many pixels does it contain?
It contains 2,073,600 pixels.
Should I use 9:16 or 4:5 for vertical content?
Use 9:16 for full-screen Stories, Reels, Shorts, and TikTok. Use 4:5 for a taller Instagram feed post that avoids the more aggressive crop of a full-screen frame.
Can I convert 16:9 video to 9:16?
Yes. A centered crop that preserves the full 1080-pixel height is about 608 pixels wide after rounding, so it removes about 68.3% of the original width. Fit or Pad keeps the full landscape frame but leaves unused space above and below.