9:16 Aspect Ratio

Resolutions, uses and the formula for the 9:16 aspect ratio.

9:16 aspect ratio = 0.562

Used for vertical video: TikTok, Reels, Shorts. Height = width × 16 ÷ 9.

Ratio

:

Size in pixels

×

Change the width or height and the other one follows the ratio. Change both to find the ratio.

Keep the ratio when I change the size Round to even numbers (recommended for video)

16:9aspect ratio

1.78as a decimal

16:9closest standard

2.07megapixels

1920 × 1080

Common 9:16 resolutions

9:16 means 9 units wide for 16 units high. It is used for vertical video: TikTok, Reels, Shorts. As a decimal, the width is 0.562 times the height.

From a width: height = width × 16 ÷ 9.
From a height: width = height × 9 ÷ 16.
Round to even numbers for video.
Changing the ratio of an image means cropping it or adding bars: resizing alone would stretch it.

Popular resolutions:

Updated October 2026.

What resolutions are 9:16?

Common ones: 720 × 1280, 1080 × 1920, 1440 × 2560.

What is 9:16 used for?

It is used for vertical video: TikTok, Reels, Shorts.

How do I calculate a 9:16 size?

Height = width × 16 ÷ 9. Width = height × 9 ÷ 16. Or type one side in the calculator above.