Add your dimensions
Enter the width and height of your image, video, or canvas in pixels.
LESS GUESSWORK. MORE MAKING.
Get the ratio.
Keep the picture.
Find your aspect ratio and resize dimensions.
Perfect proportions, without the math.
Aspect ratio calculator
Made for your next big idea.01 Start with your dimensions PX
YOUR ASPECT RATIO Live
02 Resize, with the ratio locked
Proportions stay the same. Height rounds to the nearest pixel.
No uploads. Everything stays in your browser.
THE SHORT VERSION
A ratio is just a relationship.
Two numbers. One perfectly proportioned frame.
Find the simplest form
1920 × 1080 becomes 16:9. We divide both values by their greatest common divisor.
Make it fit
Choose a new width and get the matching height. No stretched images.
A couple of good questions.
What does 16:9 actually mean?
For every 16 units of width, there are 9 units of height. Both 1920 × 1080 and 1280 × 720 have a 16:9 aspect ratio.
Can I use this for a portrait image?
Yes. Enter a height greater than the width, or select the Story preset for 9:16. Use the swap button to flip your dimensions.