Aspect Ratio 4:3 - Calculator & Examples
The Vintage CRT Television and Tablet Proportion
The historical standard for 20th-century television broadcasts, classic 35mm silent film, and modern iPad displays. Provides substantial vertical canvas for reading documents and viewing square-format architectural layouts.
Display & Media Aspect Ratio Dimension Calculator
Digital Screen, Sensor & Video Composition Proportions (SMPTE & ISO)
Standard 4:3 Pixel Resolutions
| Resolution (W × H) | Width | Height | Megapixels | Diagonal (px) | Standard Usage |
|---|---|---|---|---|---|
| 480 × 360 | 480 px | 360 px | 0.17 MP | 600 px | 480p baseline |
| 720 × 540 | 720 px | 540 px | 0.39 MP | 900 px | 720p baseline |
| 1080 × 810 | 1080 px | 810 px | 0.87 MP | 1350 px | 1080p baseline |
| 1280 × 960 | 1280 px | 960 px | 1.23 MP | 1600 px | 1280p baseline |
| 1920 × 1440 | 1920 px | 1440 px | 2.76 MP | 2400 px | Full HD standard |
| 2560 × 1920 | 2560 px | 1920 px | 4.92 MP | 3200 px | 2560p baseline |
| 3840 × 2880 | 3840 px | 2880 px | 11.06 MP | 4800 px | 4K Ultra HD |
Explore Color Harmonies & Display Wavelengths
For chromatic analysis, RGB gamut mapping, and wavelength physics, visit our sister platform WaveLab.tools.
Explore Other Geometric Solvers
Frequently Asked Questions
Q1.What is the decimal multiplier for 4:3 aspect ratio?
The decimal value for a 4:3 ratio is exactly 1.333 (width is 1.333 times the height). To find height from width, divide width by 1.333.
Q2.Where is the 4:3 aspect ratio standardly used?
The 4:3 proportion is primarily used for Classic TV, iPad, digital media broadcasting, and modern responsive screen layouts.
Q3.What is the 1080p equivalent height for 4:3?
At a standard width of 1920 pixels, a 4:3 display produces a calculated height of 1440 pixels.
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