4:3 Aspect Ratio Calculator
Use this 4:3 aspect ratio calculator to convert classic screen, presentation, projector, and photo dimensions. It also matches searches like 4x3 aspect ratio calculator, 4 by 3 ratio, and 4 to 3 resolution calculator.
Dimensions
px
px
Aspect Ratio
4:3
Resolution
1024×768
Display
Photo
Video
Social
Preview
4:3
Landscape1.333
How to calculate 4:3 dimensions
For a 4:3 ratio, width is four units for every three units of height. To find height, multiply width by 3 and divide by 4. To find width, multiply height by 4 and divide by 3.
Common pixel sizes
- 640x480
- 800x600
- 1024x768
- 1280x960
- 1600x1200
- 2048x1536
Where 4:3 is used
- Classic monitors and older TVs
- Projector and classroom presentation formats
- Legacy video captures and archives
- Micro Four Thirds photography
- Standard document and slide exports
4:3 calculation examples
800 wide = 600 high
1024 wide = 768 high
1200 high = 1600 wide
Frequently asked questions
What is 4:3 as a resolution?
Common 4:3 resolutions include 640x480, 800x600, 1024x768, 1280x960, and 1600x1200.
How do I calculate a 4:3 height?
Multiply the width by 3, then divide by 4. For example, 1024 x 3 / 4 = 768.
Is 4:3 the same as 1.33:1?
Yes. 4:3 is approximately 1.33:1 when written as a decimal aspect ratio.