Welcome to the Omni 4:3 aspect ratio calculator, a simple tool you can use to resize your images or videos to match the 4:3 aspect ratio. Conveniently, this handy calculator also doubles as a 4:3 screen ratio calculator! 🖼️
Whether you're trying to match your files to the required 4:3 format for your project, or you're just a curious mind interested in exploring aspect ratios, you're at the right place. Come along to learn more about what is 4:3 aspect ratio, how to maintain a 4:3 aspect ratio when resizing your files, and what is 4 by 3 aspect ratio is known for.
What is 4:3 aspect ratio?
Aspect ratio is a proportional relationship between the width and height of an image or a video. Since different social media platforms often use different aspect ratios for imagery, being able to resize and adapt your pictures and videos to the required format can be very useful.
4 by 3 aspect ratio, also known as a standard fullscreen, is an aspect ratio representing a file that is four units wide by three units high. The 4:3 aspect ratio was the most utilized in movies and television until the development of widescreen HDTV, which now uses the 16:9 aspect ratio.
How do I calculate 4:3 aspect ratio?
Are you wondering how to calculate the 4:3 aspect ratio? It is pretty simple! To resize your files while maintaining the 4:3 aspect ratio, you can follow the next steps:
- Take the height of your image and multiply it by
4/3to compute the width; or
- Take the width of your image and multiply it by
3/4to compute the height.
You can use the abovementioned calculations to determine the 4:3 screen ratio as well! Don't want to do all the computations by hand? Don't worry; 4:3 aspect ratio calculator will do all the work for you!
Other related tools
Did you find the 4:3 aspect ratio calculator helpful? Come along for more aspect ratio-related tools:
- Aspect ratio calculator;
- CSS aspect ratio calculator;
- Screen ratio calculator;
- Portrait aspect ratio calculator;
- Pixel aspect ratio calculator;
- 16:10 aspect ratio calculator; and
- 16:9 aspect ratio calculator.
Is 4:3 aspect ratio a traditional TV display standard?
The 4:3 aspect ratio (also known as 1.33:1) is the traditional TV display standard that filmmakers used almost exclusively during the early days of cinema. Nowadays, the 4:3 aspect ratio is not typical anymore, and the 16:9 aspect ratio (standard widescreen) is a new default.
How do I calculate the 4:3 aspect ratio if I know the width?
To calculate the 4:3 aspect ratio if you know the width of the screen, in other words, to make sure that you get a screen that fits the 4:3 format:
- Take the width measurement and multiply it by 3/4.
- That's all; you have now computed the screen's height according to the 4:3 frame size.