Created By : Sunil Kumar Gandipadala

Reviewed By : Phani Ponnapalli

Last Updated : May 01, 2025


This aspect ratio calculator (also known as a screen size calculator) will provide you with all of the information you need to understand what aspect ratio is and how to use it. In a nutshell, aspect ratio and screen size are two very important, quick, and pleasant criteria to apply when resizing your photographs or movies to fit the requirements of your project. You can also use aspect ratio screen calculator, 

Enter height
Enter width
    

What is the Aspect Ratio?

An image's aspect ratio is the proportional connection between its width and height. It's commonly expressed as two integers separated by a semicolon, such as 2:1. This signifies the image's width is double its height.


How to Calculate Aspect Ratio?

The aspect ratio calculator is simple to use. To determine the new height, divide the original height by the original width and multiply this value by the new width. These steps will ensure that your altered image has the proper height. You can also use image ratio calculator, image aspect ratio calculator, calculate aspect ratio from width and height, screen ratio calculator, and aspect ratio calculator online.

Take your initial height into consideration. It will be 1200 pixels in our case.

Take the width that you started with. The width of our image is 1600 pixels.

Divide the width by the height, for example, 1200 / 1600 = 0.75

Divide the quotient by the preferred width, for example, 0.75 * 300 = 225.

The result is your new height, expressed in pixels.


What is the screen size?

The amount of pixels that can be displayed on your computer's screen is determined by the physical dimensions of your display in inches. The ability to calculate screen size is critical for all webmasters out there. You can either calculate it on your own or use our calculator to do so. 

Apart from the Aspect Ratio Calculator you can also find many math-related concept calculators on onlinecalculator.guide a trusted and reliable portal.


How do you find out the size of your screen?

When it comes to calculating screen size, the first step is to determine your aspect ratio. After that, you must measure one of the three dimensions: diagonal length, breadth, or height. Simply enter one of them, and the rest will be calculated in centimeters or inches automatically.

  • Step 1: Choose your aspect ratio.
  • Step 2: One of the measures should be: height, width, or dimensions are all terms that might be used to describe something.
  • Step 3: Select your desired units: inches or centimeters

You can also use our proportion calculator and our golden ratio calculator if you're interested in ratios. With our aspect ratio calculator, you can effortlessly resize your image. Many websites utilize it because it's a simple and quick tool.


How to use our Aspect Ratio Calculator?

The following is the procedure how to use the aspect ratio calculator:

  • Step 1: Both the width and height of an image or video need to be known ahead of time in order to determine the aspect ratio. 
  • Step 2: If you already know these two measures, simply enter them into the calculator above, and the aspect ratio will be computed. 
  • Step 3: To ensure efficiency, accuracy, and fluidity, all computations are performed automatically.

FAQs on Aspect Ratio Calculator

1. How do you find out the aspect ratio of an image?

To find your photo's ratio, divide its width (in pixels) by its height (in pixels). Multiply the sum by another number until it is a whole number (also known as an integer). The ratio of the snapshot is the sum of these two values (the number you multiplied it by and the final total).


2. What is the standard screen size?

The majority of modern monitor screens range in size from less than 21 inches to well over 30 inches and are reasonably priced to meet your demands.


3. What is the optimal aspect ratio?

As it fits most modern displays, such as TVs, tablets, phones, and computer screens, the optimal aspect ratio for video is 16:9. This aspect ratio allows you to display your complete video without cropping, rather than having black bars around it.


4. What is the ideal aspect ratio for a laptop?

If you want to watch video content on your laptop, the best option is to use a 16:9 aspect ratio. Letterboxing, or black bands above and below the video, is required for any other aspect ratio to accommodate the altered image size. Not only is it an ugly approach, but it also reduces the video size.


5. What is the ideal aspect ratio for gaming?

The best aspect ratio for gaming right now is 16.9. This is rather typical. If you're watching a game on a larger screen, a 21.9 aspect ratio would be worth considering. The latter is better suited to a 4K television or monitor.