Aspect Ratio Calculator
Calculate the aspect ratio from width and height.
px
px
Result
16:9
Aspect ratio: 16:9
Result in all units
Step-by-step solution
What Is Aspect Ratio?
Aspect ratio is the ratio of an image's width to its height (for example 16:9). It is used in screen and visual sizing.
How is it calculated?
How Is It Calculated?
- Enter the width and height pixel values.
- The two values are simplified by their greatest common divisor to find the ratio.
For example, 1920×1080 → 16:9.
Frequently Asked Questions
What should you do to maintain the dimensions?
If you scale the other side by the same ratio when changing one side, the image stays undistorted.