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Aspect Ratio Calculator

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Calculate aspect ratio from image dimensions, find missing width/height, and view scale variants.

#aspect ratio#resolution#image#video#16:9#4:3#screen

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Common Resolutions

1920×1080 (16:9)1280×720 (16:9)3840×2160 (16:9)2560×1440 (16:9)1366×768 (683:384)1080×1080 (1:1)1080×1920 (9:16)1200×628 (300:157)1500×500 (3:1)800×800 (1:1)1080×1350 (4:5)1600×900 (16:9)1440×900 (8:5)2560×1080 (64:27)

How to use

1Enter dimensions: "1920x1080" or "1920 1080"
2Or find missing dim: "1280 16:9" (find height from width + ratio)
3Click "Process" to see ratio and scale variants

Frequently Asked Questions — Aspect Ratio Calculator

What is 16:9 used for?+

16:9 is the standard ratio for HD video (YouTube, Netflix), laptop screens, and modern TVs.

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