Aspect ratio
Calculate ratio and pixels
How to use
Choose a Ratio
Use a preset or enter a custom ratio.
Enter One Side
Provide either the width or the height.
Copy
Copy the calculated dimensions to the clipboard.
Why CodeGrid Tools?
Your files stay private
Processing runs in your browser. Files are not uploaded to our servers.
Fast and simple
No install required; start instantly in the browser.
English & Turkish
Use the site in English or Turkish—locale follows your preference.
Free to start
Core features are free. No credit card for basic use.
About the Aspect Ratio Calculator
The aspect ratio tool helps you quickly find correct pixel dimensions for design and video workflows. Calculations run in the browser.
It can be used alongside the OG image builder, favicon generator, or image resize tool. It is free and provides instant results.
FAQ
What is the difference between 16:9 and 4:3?
How do I find the height from a known width?
Where can I use the results?
Related tools
What this tool does
Aspect ratio helpers compute pixel sizes for video, photo, and UI layouts. CodeGrid Tools calculates locally; inputs are not sent to a server, enabling rapid iteration. Use alongside social and player guidelines. Calculator-style tools usually do not consume file quotas.
Secure. Secure processing
Your data is processed in your browser; content is not sent to the server.