Aspect Ratio Calculator

Calculate aspect ratios, find missing dimensions, and resize while maintaining proportions

Find Aspect Ratio

Enter width and height to find the aspect ratio

Aspect Ratio
16:9
1.778

Find Missing Dimension

Enter aspect ratio and one dimension to find the other

:
Width
1920
Height
1080

Resize Maintaining Ratio

Resize dimensions while maintaining aspect ratio

New Height (calculated)
720

Common Aspect Ratios

1:1
Square, Instagram
4:3
Classic TV, iPad
16:9
HDTV, YouTube
16:10
MacBook, Laptops
21:9
Ultrawide, Cinema
32:9
Super Ultrawide

Common Resolutions by Aspect Ratio

Ratio Resolutions
4:3 640×480, 800×600, 1024×768, 1280×960, 1600×1200
16:9 1280×720, 1366×768, 1920×1080, 2560×1440, 3840×2160, 7680×4320
16:10 1280×800, 1440×900, 1680×1050, 1920×1200, 2560×1600
21:9 2560×1080, 3440×1440, 5120×2160
32:9 3840×1080, 5120×1440

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