Aspect Ratio Calculator
Calculate, compare, and visualize aspect ratios for images, videos, and screens
Ratio Calculator
Ratio Comparison
Common Ratios
Input Dimensions
16:9 (HD)
16:9 (4K)
16:10
4:3
1:1 (Square)
9:16 (Vertical)
21:9 (Ultrawide)
1:1 (Square)
Aspect Ratio Results
Aspect Ratio
16:9
Simplified: 16:9
Decimal: 1.78
Visual Representation
1920px
1080px
Compare Aspect Ratios
16:9
16:10
4:3
1:1
21:9
3:2
5:4
9:16
Common Aspect Ratios & Their Uses
16:9 (Widescreen)
Standard for HDTV, computer monitors, and YouTube. Most common aspect ratio today.
1920×1080
2560×1440
3840×2160
4:3 (Standard)
Traditional TV and computer monitor format. Still used for iPad and some tablets.
1024×768
1400×1050
1600×1200
1:1 (Square)
Popular on Instagram and for profile pictures. Creates balanced, centered compositions.
1080×1080
800×800
500×500
21:9 (Ultrawide)
Cinematic format used in movies and by gamers for immersive experiences.
2560×1080
3440×1440
5120×2160