UtilitiesFree
Aspect Ratio Calculator
Calculate equivalent dimensions while maintaining a specific aspect ratio.
16:9
Widescreen (HD/4K)
1920 × 1080
How it works
Enter a width and height and the tool calculates the simplified aspect ratio (e.g. 1920×1080 → 16:9). Or enter a ratio and one dimension to calculate the other. Instantly see all equivalent resolutions for your aspect ratio.
Why use this tool?
Video editors, UI designers, and photographers use aspect ratio calculators to ensure images and videos fit correctly on screens, banners, and social media without stretching or cropping.