- 4/3 (standard, also known as 1.33:1)
- 640 by 480 - VGA
- 800 by 600 - SVGA
- 960 by 720
- 1024 by 768 - XGA
- 1152 by 864 - XGA+
- 1280 by 960 - QVGA
- 1344 by 1008
- 1400 by 1050 - SXGA+
- 1600 by 1200 - UXGA
- 1792 by 1344
- 1800 by 1350
- 1856 by 1392
- 1920 by 1440
- 2048 by 1536 - QXGA
- 2800 by 2100 - QSXGA+
- 3200 by 2400 - QUXGA
- Widescreen
- 1280 by 720 - HDTV - 1.78:1 or 16/9
- 1280 by 800 - WXGA - 1.6:1 or 16/10
- 1366 by 768 - HDTV - 1.78:1 or 16/9
- 1440 by 900 - WXGA+ 1.6:1 or 16/10
- 1600 by 900 - HDTV - 1.78:1 or 16/9
- 1600 by 1024 - WSXGA - 1.56:1 or 25/16
- 1680 by 1050 - WSXGA+ - 1.6:1 or 16/10
- 1920 by 1080 - HDTV - 1.78:1 or 16/9
- 2560 by 1080 - UltraWide - 2.37:1 or 21/9
- 1920 by 1200 - WUXGA - 1.6:1 or 16/10
- 2560 by 1440 - WQHD 1.78:1 or 16/9
- 2560 by 1600 - WQXGA 1.6:1 or 16/10
- 2880 by 1800 - Apple Retina 1.6:1 or 16/10
- 3840 by 2160 - UHDTV (aka 4K) - 1.78:1 or 16/9
- 5120 by 2160 - Ultra Wide (aka 5K or CinemaScope) - 2.37:1 or 21/9
- 3840 by 2400 - WQUXGA - 1.6:1 or 16/10
- 5/4 (1.25:1)
- 1280 by 1024 - SXGA
- 2560 by 2048 - QSXGA
_{5/4 ratios are used on standard 4/3 CRT displays by drivers defining logical pixels as rectangles instead of squares. Often they don't do this very well, resulting in vertical compression. Those using one of these can test their driver's competence with this aspect ratio checker and a ruler.}

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