Aspect Ratio Calculator
Calculate ratios, resize dimensions, and find the right resolution.
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16:9
Aspect Ratio
Resize (lock ratio)
→720height
→1280width
16:9
Common Presets
1080p
1920×1080
1440p
2560×1440
4K UHD
3840×2160
9:16 Vertical
1080×1920
1:1 Square
1080×1080
OG Image
1200×628
720p
1280×720
2K Cinema
2048×1080
4:3
1024×768
21:9 Ultra
2560×1080
4:5 Portrait
1200×1500
2.4:1 Cinema
1920×800