Aspect Ratio Calculator
16:9
Aspect Ratio
2202.91 px
Diagonal
Common Aspect Ratios
| Ratio | Decimal | Common Use |
|---|---|---|
| 16:9 | 1.778 | TVs, monitors, YouTube |
| 4:3 | 1.333 | iPad, older TVs |
| 21:9 | 2.333 | Ultrawide monitors, cinema |
| 16:10 | 1.600 | MacBook, some laptops |
| 3:2 | 1.500 | Surface, many laptops |
| 1:1 | 1.000 | Instagram, profile photos |
Quick Facts
- •1920×1080 = 16:9 (Full HD)
- •2560×1440 = 16:9 (QHD)
- •3840×2160 = 16:9 (4K UHD)
- •Diagonal = √(width² + height²)
Related Converters
Frequently Asked Questions
How do I find the aspect ratio from width and height?
Divide both by their greatest common divisor. 1920×1080 → 16:9.
What is the most common aspect ratio?
16:9 for TVs and monitors. 4:3 for older screens and iPads. 3:2 for many laptops.
What is 21:9?
Ultrawide format, about 2.33:1. Used for cinematic monitors and some movies.
How do I calculate diagonal from width and height?
Diagonal = √(width² + height²) using the Pythagorean theorem.
What resolution is 16:9?
Common 16:9 resolutions: 1920×1080 (Full HD), 2560×1440 (QHD), 3840×2160 (4K).