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Aspect Ratio Calculator

Note:Enter either W₂ or H₂ to find the other, or, left both inputs empty..


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Our aspect ratio calculator is here to help you calculate aspect ratios and pixel dimensions of images and videos, using the width and height measurements. This way you can avoid getting your photos or videos from being in the wrong proportion and ensure the accuracy of your visuals for the desired platform without any guesswork.

Steps to Use Aspect Ratio Calculator:

The best way to ensure images and videos look perfect is by using an Aspect Ratio Converter. If you're new to this tool don't worry we'll guide you step by step on how to use the aspect ratio calculator with these easy and simple steps.

What to Enter?

  • Step 1: Firstly, you need to select any common ratio for which you want to calculate.
  • Step 2: Now, Enter new width and new height values into their respective boxes.
  • Step 3: Press the Calculate button.

What will you get?

  • New Height / Width Dimensions
  • Number of Pixels
  • Mode
  • Visual Aspect Ratio

How to Calculate Aspect Ratio?

Calculating the aspect ratio is very simple you have to divide the original height by the original width after that multiply that number by the new width in order to get the new height.

Now we are going to illustrate to you an example by using the aspect ratio formula that will help you get the answer what is my aspect ratio? You can also try our aspect ratio calculator for this.


Imagine you have an original image with a height of 1080 pixels and a width of 1920 pixels. You want to resize it to a new height of 800 pixels while preserving the aspect ratio.


Let's calculate the aspect ratio:

Step 1: Take the original width and height.

Original Height = 1080 pixels
Original Width = 1920 pixels

Step 2: Divide the original height by its width.

1080 / 1920 = 0.5625

Step 3: Multiply the obtained number by the new height to find the new width.

0.5625 x 800 = 450 pixels

So, the result is that the new width should be 450 pixels to keep the aspect ratio intact. This way, your image will maintain its intended proportions even after resizing. If you want to get instant results then you can try our pixel ratio calculator for this.

Typical Sizes of Screens and Aspect Ratios:

Here is a list that shows all the common aspect ratios and screen resolutions:

Name Aspect ratio Width (pixel) Height (pixel)
480p 3:2 720 480
576p 5:4 720 576
720p 16:9 1280 720
1080p 16:9 1920 1080
2160p (4K UHD) 16:9 3840 2160
4320p (8K UHD) 16:9 7680 4320
8640p 16:9 15360 8640
SVGA 4:3 800 600
WSVGA ~17:10 1024 600
XGA 4:3 1024 768
XGA+ 4:3 1152 864
WXGA 16:9 1280 720
WXGA 5:3 1280 768
WXGA 16:10 1280 800
SXGA (UVGA) 4:3 1280 960
SXGA 5:4 1280 1024
HD ~16:9 1360 768
HD ~16:9 1366 768
SXGA+ 4:3 1400 1050
WXGA+ 16:10 1440 900
HD+ 16:9 1600 900
UXGA 4:3 1600 1200
WSXGA+ 16:10 1680 1050
FHD 16:9 1920 1080


What is aspect ratio?

Aspect ratio simply means the proportion or shape of something, like a picture or screen. It tells you how wide and tall an image or screen is compared to each other. For example, a TV with a 16:9 aspect ratio is wider than it is tall, while an old-style TV with a 4:3 aspect ratio is more square. It's like describing the shape of a rectangle by comparing its sides.

What is the aspect ratio for an Instagram Profile?

The aspect ratio for an Instagram profile is 1:1, which means that the profile picture should be square. Instagram will automatically crop your profile picture to a square, so make sure your subject is in the center, and avoid placing any important information in the corners.

Does changing aspect ratio affect quality?

Yes, changing the aspect ratio of an image or video can affect quality. When you change the aspect ratio, you are either stretching or squishing the image or video to fit a new shape. This can cause the image or video to become pixelated or distorted.

References: Display aspect ratio, Computer displays, History, and Suitability for software and content

Alan Walker

Studies mathematics sciences, and Technology. Tech geek and a content writer. Wikipedia addict who wants to know everything. Loves traveling, nature, reading. Math and Technology have done their part, and now it's the time for us to get benefits.

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