4:3 Aspect Ratio Calculator

4:3 Aspect Ratio Calculator

The 4:3 aspect ratio was widely used in older televisions, monitors, and digital cameras. It means for every 4 units of width, there are 3 units of height. This guide provides ready-to-use width and height pairs to help you maintain this ratio in your projects.

Common 4:3 Dimensions Table

Width (px)Height (px)Resolution Name
800600SVGA
1024768XGA
1280960SXGA
14001050SXGA+
16001200UXGA
19201440
20481536QXGA
25601920
32002400

How to Calculate 4:3 Dimensions?

To manually calculate 4:3 ratio values:

  • Height = Width × 0.75
  • Width = Height × 1.3333

Example: If the width is 1200 pixels, the height will be: 1200 × 0.75 = 900 pixels.

Why Use a 4:3 Ratio?

The 4:3 aspect ratio was a standard in video and computer displays for decades. It’s still used today in certain video formats, digital cameras, and legacy systems. Using this ratio ensures compatibility and maintains original proportions when editing or restoring media.

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