9:16 Aspect Ratio Calculator Explained

By Last updated: January 14, 2024

9:16 Aspect Ratio Calculator

What is a 9:16 aspect ratio?

The 9:16 aspect ratio is a portrait ratio used for photos and videos commonly seen on social media platforms like Facebook[1] and Instagram[2]. It's also a portrait orientation of the most popular ratio for HDTV and computer monitors, the 16:9 aspect ratio.

The 9:16 ratio is 46.66% taller than the 4:5 tall aspect ratio and 77.8% taller than the 1:1 square aspect ratio.

1:1 vs 4:5 vs 9:16 aspect ratio
1:1 vs 4:5 vs 9:16 aspect ratio

The aspect ratio has a standard format of 9:16 or W:H, where W is the width and H is the height of an image, screen, or container. In digital space, the measurement unit is in pixels. You can pronounce it "four-by-five" or "four-to-five" aspect ratio.

9:16 ratio formula

You can use the six-by-sixteen ratio formula to check if an image or display has a 9:16 aspect ratio. First, you must determine the width and height of your image, video, or screen in centimeters, inches, or pixels. Then, divide the width by the height. If the answer is 0.5625, then it has a 9:16 aspect ratio.

$${Ratio} = \frac{Width}{Height} = \frac{9}{16} = 0.5625$$

To find a new width (W) from a desired height (H):

$${W} = {H} \times 0.5625$$

To find a new height (H) from a desired width (W):

$${H} = \frac{W}{0.5625} = {W} \times {1.77777}$$

Common 9:16 resolutions

Here are the 9:16 resolutions you frequently find on photos, videos, digital cameras, and monitors.

Width (px)Height (px)Standard
144256Vertical 144p video
240426Vertical 240p video
360640Vertical nHD
480854Vertical FWVGA
5761024Vertical WSVGA
7201280Vertical HD
7681366Vertical WXGA or FWXGA
9001600Vertical WSXGA
10801920Vertical FHD
14402560Vertical QHD
21603840Vertical 4K UHD
28805120Vertical 5K UHD
43207680Vertical 8K UHD
Table 1: common resolutions of 9 by 16 content and display.

Common 9:16 screen sizes

Here are the width, height, and diagonal of various 9:16 image, video, or screen sizes in inches and centimeters.

9:16 portrait vs 16:9 landscape screen size
9:16 portrait vs. 16:9 landscape aspect ratio screen sizing
DiagonalWidthHeight
1″
2.54 cm
0.49″
1.25 cm
0.87″
2.21 cm
2″
5.08 cm
0.98″
2.49 cm
1.74″
4.43 cm
3″
7.62 cm
1.47″
3.74 cm
2.61″
6.64 cm
4″
10.16 cm
1.96″
4.98 cm
3.49″
8.86 cm
5″
12.7 cm
2.45″
6.23 cm
4.36″
11.07 cm
6″
15.24 cm
2.94″
7.47 cm
5.23″
13.28 cm
7″
17.78 cm
3.43″
8.72 cm
6.1″
15.5 cm
8″
20.32 cm
3.92″
9.96 cm
6.97″
17.71 cm
9″
22.86 cm
4.41″
11.21 cm
7.84″
19.92 cm
10″
25.4 cm
4.9″
12.45 cm
8.72″
22.14 cm
11″
27.94 cm
5.39″
13.7 cm
9.59″
24.35 cm
12″
30.48 cm
5.88″
14.94 cm
10.46″
26.57 cm
13″
33.02 cm
6.37″
16.19 cm
11.33″
28.78 cm
14″
35.56 cm
6.86″
17.43 cm
12.2″
30.99 cm
15″
38.1 cm
7.35″
18.68 cm
13.07″
33.21 cm
16″
40.64 cm
7.84″
19.92 cm
13.95″
35.42 cm
17″
43.18 cm
8.33″
21.17 cm
14.82″
37.63 cm
18″
45.72 cm
8.82″
22.41 cm
15.69″
39.85 cm
19″
48.26 cm
9.31″
23.66 cm
16.56″
42.06 cm
20″
50.8 cm
9.81″
24.91 cm
17.43″
44.28 cm
21″
53.34 cm
10.3″
26.15 cm
18.3″
46.49 cm
22″
55.88 cm
10.79″
27.4 cm
19.17″
48.7 cm
23″
58.42 cm
11.28″
28.64 cm
20.05″
50.92 cm
24″
60.96 cm
11.77″
29.89 cm
20.92″
53.13 cm
25″
63.5 cm
12.26″
31.13 cm
21.79″
55.35 cm
26″
66.04 cm
12.75″
32.38 cm
22.66″
57.56 cm
27″
68.58 cm
13.24″
33.62 cm
23.53″
59.77 cm
28″
71.12 cm
13.73″
34.87 cm
24.4″
61.99 cm
29″
73.66 cm
14.22″
36.11 cm
25.28″
64.2 cm
30″
76.2 cm
14.71″
37.36 cm
26.15″
66.41 cm
32″
81.28 cm
15.69″
39.85 cm
27.89″
70.84 cm
34″
86.36 cm
16.67″
42.34 cm
29.63″
75.27 cm
40″
101.6 cm
19.61″
49.81 cm
34.86″
88.55 cm
42″
106.68 cm
20.59″
52.3 cm
36.61″
92.98 cm
43″
109.22 cm
21.08″
53.55 cm
37.48″
95.19 cm
48″
121.92 cm
23.53″
59.77 cm
41.84″
106.26 cm
50″
127 cm
24.51″
62.26 cm
43.58″
110.69 cm
55″
139.7 cm
26.96″
68.49 cm
47.94″
121.76 cm
58″
147.32 cm
28.44″
72.23 cm
50.55″
128.4 cm
60″
152.4 cm
29.42″
74.72 cm
52.29″
132.83 cm
65″
165.1 cm
31.87″
80.94 cm
56.65″
143.9 cm
70″
177.8 cm
34.32″
87.17 cm
61.01″
154.97 cm
75″
190.5 cm
36.77″
93.39 cm
65.37″
166.04 cm
77″
195.58 cm
37.75″
95.89 cm
67.11″
170.46 cm
83″
210.82 cm
40.69″
103.36 cm
72.34″
183.75 cm
85″
215.9 cm
41.67″
105.85 cm
74.08″
188.17 cm
86″
218.44 cm
42.16″
107.09 cm
74.96″
190.39 cm
97″
246.38 cm
47.56″
120.79 cm
84.54″
214.74 cm
98″
248.92 cm
48.05″
122.04 cm
85.41″
216.95 cm
Table 2: Diagonal, width, and height of 9 by 16 screen sizes.

FAQs

How do I calculate the 9:16 aspect ratio?

The 9:16 aspect ratio is a screen or image format that proportionally contains nine units horizontally for every sixteen vertically. It can be calculated by dividing the width by height and getting a value of 0.5625.

For example, the ratio between the width and height of the vertical HD (720 x 1280) and vertical FHD (1,080 x 1,920) resolutions equals 0.5625.

How do you use the 9:16 aspect ratio calculator by Calculator Hub?

Our 9:16 aspect ratio calculator is easy to use. You only need to input one dimension (width or height), and the calculator will automatically calculate the other dimension based on the 9:16 aspect ratio. For instance, if you enter a width of 720 pixels, the calculator will calculate a height of 1,280.

On top of that, by entering a screen diagonal, you will also get additional information, including the screen's width, height, pixel density, and more.

9:16 Aspect Ratio Calculator

9:16 Aspect Ratio Calculator App

About this app

Use our 9:16 aspect ratio calculator to help you accurately resize or scale images, video, or screen resolution to perfect 9 by 16 dimensions. You will also learn more about the aspect ratio, formula, and calculation examples.

App availability

You can use the calculator for free as a PWA web app online or install it locally on any modern operating system, including Android, iOS, Windows 11/10, and macOS.

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References

2 Sources

  1. ⬆️ Best practices for aspect ratios across placements | Meta Business Help Center. Meta Business Help Center. Published 2024. Accessed January 16, 2024.

    https://www.facebook.com/business/help/103816146375741?id=271710926837064
  2. ⬆️ Help Center. Instagram.com. Published 2022. Accessed January 17, 2024.

    https://help.instagram.com/1631821640426723