Best for
- UI/UX designers, video editors, and frontend developers sizing responsive elements.
Privacy
Calculated instantly offline in your browser.
Quick tips
- Standard HD video is 16:9, traditional monitors are 4:3, and Instagram/TikTok reels are 9:16.
How to use this tool
- Enter your target ratio (e.g., 16 for Width, 9 for Height).
- Enter a Width in pixels to get the proportional Height, or vice-versa.
- Alternatively, enter both pixel dimensions to find out their exact reduced ratio.
Common questions
What does "Calculate Ratio from Pixels" do?
It takes the pixel width and height you entered and finds the greatest common divisor to give you the cleanest ratio format.