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Aspect Ratio Calculator · 4:3
Aspect Ratio Calculator · 4:3. The classic 4:3 aspect ratio used in standard definition TV and older computer monitors.
Parameters
Width in any unit (pixels, inches, etc.).
Height in the same units as width.
Enter a new width to calculate the proportional height
Results
Aspect Ratio4:3
Simplified aspect ratio as a fraction
Other results (3)
Decimal Ratio1.3333
Aspect ratio expressed as a decimal number
Common Preset
4:3 (Standard)
This resolution matches a known aspect ratio preset
Total Pixels0.17 MP
Total pixel count: 172,800 pixels
Example input and result
480 × 3604:3Aspect ratio describes proportions, not resolution. Devices marketed as 21:9 may use a different exact pixel ratio.
Why Choose Aspect Ratio Calculator · 4:3
Aspect Ratio Calculator · 4:3. The classic 4:3 aspect ratio used in standard definition TV and older computer monitors.
Authoritative References & Sources
MDN — CSS aspect-ratio
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