Original size
Resize with the same ratio
Change the new width or height. The other value will update automatically.
Result
16:9
aspect ratio
1280 × 720 px
new size
1.7778
decimal ratio
Landscape
orientation
Frequently Asked Questions
What does the aspect ratio calculator do?
It calculates the ratio between width and height and shows it as a simplified value such as 16:9.
Can it calculate a new size with the same ratio?
Yes. Enter a new width or height and the other value updates automatically to keep the same aspect ratio.
What units does the calculator use?
The size fields use pixel values, and the result shows the new size in pixels.
What results are shown?
The tool shows the aspect ratio, new size, decimal ratio and orientation.
Can it detect landscape or portrait orientation?
Yes. It labels the original size as landscape, portrait or square based on the width and height.