16:9 Aspect Ratio Calculator
16:9 is the standard widescreen aspect ratio for HD video, monitors and TVs. It is used by 1080p (1920×1080), 4K UHD (3840×2160), YouTube videos, and most desktop displays.
Ratio locked to 16:9. Enter either side, get the other.
Enter a width or height above.
Common 16:9 sizes
| Pixels | Usage |
|---|---|
| 640×360 | nHD |
| 1280×720 | HD 720p |
| 1600×900 | HD+ |
| 1920×1080 | Full HD 1080p |
| 2560×1440 | QHD 1440p |
| 3840×2160 | 4K UHD |
| 7680×4320 | 8K UHD |
Frequently asked questions
What is 16:9 aspect ratio?
16:9 means the width is 16 units for every 9 units of height, a ratio of about 1.78:1. It is the universal standard for HD and 4K video, TV broadcasts, streaming platforms and computer monitors.
What resolutions are 16:9?
Common 16:9 resolutions include 1280×720 (720p), 1920×1080 (1080p), 2560×1440 (1440p) and 3840×2160 (4K UHD). Any size where width ÷ height equals 16/9 is 16:9.
Is YouTube 16:9?
Yes. The standard YouTube video player is 16:9, so 1920×1080 or 3840×2160 uploads fill the player perfectly without black bars.