16:9 ratio calculator
16:9 Calculator
Enter any width or height and instantly calculate the matching 16:9 dimension for videos, thumbnails, slides, screens, banners, and exports.
16:9
Live preview follows the selected ratio.
Calculator
Calculate The Missing Dimension
Choose a ratio, enter width or height, and the calculator fills the matching dimension while keeping the image or video proportional.
Fast answers
16:9 Calculator Quick Answers
Common 16:9 Calculator Sizes
Use these sizes as starting points. Exact platform requirements can change, so treat the calculator as the proportional reference and check the final upload screen before publishing.
| Use case | Pixel size | Ratio |
|---|---|---|
| 360p | 640 x 360 | 16:9 |
| 720p HD | 1280 x 720 | 16:9 |
| 1080p Full HD | 1920 x 1080 | 16:9 |
| 1440p QHD | 2560 x 1440 | 16:9 |
| 4K UHD | 3840 x 2160 | 16:9 |
Generated Size Table
The table below updates when you choose a new ratio. It is useful for planning responsive images, thumbnails, and video exports.
| Width | Matching height | Size |
|---|
Practical Tips
For a 16:9 height, divide width by 16 and multiply by 9.
For a 16:9 width, divide height by 9 and multiply by 16.
Round to even pixel numbers when exporting video.
Frequently Asked Questions
What is the formula for 16:9?
Height equals width times 9 divided by 16. Width equals height times 16 divided by 9.
Is 1920 x 1080 a 16:9 resolution?
Yes. 1920 x 1080 simplifies to 16:9 and is commonly called Full HD.
Is 1280 x 720 the same aspect ratio as 1920 x 1080?
Yes. Both are 16:9. They have different pixel counts but the same widescreen shape.
Visual Ratio Reference
This reference chart shows how common frames compare. Use it when deciding whether a creative should be wide, square, portrait, or ultrawide.
