16:9 Aspect Ratio Calculator

Created by Mariamy Chrdileli
Reviewed by Wojciech Sas, PhD
Last updated: Feb 02, 2023

We created this 16:9 aspect ratio calculator to help you resize your files while maintaining the 16:9 aspect ratio. Conveniently, this simple tool doubles as a screen size calculator as well!

The aspect ratio of an image or a video can significantly affect the final presentation of your project. Since the 16:9 aspect ratio is the international standard format for film and display, 📺 you're probably wondering how to resize your files to fit the 16:9 screen size. Come along; this article will help you answer some of the critical questions such as:

  • What is the 16:9 aspect ratio?
  • How do I change the aspect ratio to 16:9? And more!

What is a 16:9 aspect ratio?

Let's start from the beginning - what is the aspect ratio? The aspect ratio is the ratio of the width to the height of an image, video, or screen. For instance, the original silent film format utilized the 4:3 aspect ratio, meaning the imagery portrayed was four units wide by three units tall.

In 1984, Dr. Kerns H. Powers introduced the 16:9 (1.77:1) aspect ratio as a new production technique. Nowadays,16:9 is the standard format for film and display, and most television channels worldwide utilize this TV ratio. Keep reading to find out how to change the aspect ratio to 16:9.

How do I calculate 16:9 aspect ratio of an image?

If you want to calculate the 16:9 aspect ratio of an image, in other words, if you're going to resize your files to fit in the 16:9 aspect ratio:

  • Multiply the height of your image or video by 16/9 to calculate the required width.
  • Multiply the width of your image or video by 9/16 to determine the required height.

Do you think the 16:9 aspect ratio calculator was helpful? If so, check out other aspect ratio-related tools that may come in handy:


How do I know if the aspect ratio of my image is 16:9?

To understand whether your image fits the 16:9 aspect ratio, you should follow the next steps:

  1. Check the width and height of your image.
  2. Divide the width of your image by the height.
  3. If the result is approximately 1.78, or 16/9, aspect ratio of your image is 16:9.

You can use the same steps to determine the 16:9 screen size!

Mariamy Chrdileli
Rectangles of various aspect ratios
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