4:3 Aspect Ratio Calculator

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

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 4/3 to compute the width; or
  • Take the width of your image and multiply it by 3/4 to 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!

FAQ

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:

  1. Take the width measurement and multiply it by 3/4.
  2. That's all; you have now computed the screen's height according to the 4:3 frame size.
Mariamy Chrdileli
Rectangles of various aspect ratios
Width
Height
Check out 26 similar photo and video calculators 📷
3D render timeAspect ratioBlink-free photos… 23 more
People also viewed…

Books vs e-Books

The books vs. e-books calculator answers the question: how ecological is your e-book reader? 📚

Circumference

Use this free circumference calculator to find the area, circumference and diameter of a circle.

Fret

Planning to build your very own DIY guitar or ukulele? This fret calculator will help you determine the precise positions where you should place the frets on your instrument's fingerboard. Hop in to learn more about it.

GPA

If you're racking your brain on how to calculate your GPA, our GPA calculator is the answer to your struggles.
Copyright by Omni Calculator sp. z o.o.
Privacy policy & cookies
main background