Calculate dimensions and aspect ratios
Enter width and height to see the aspect ratio. Common ratios: 16:9 (widescreen video), 4:3 (old TV), 1:1 (square/Instagram), 9:16 (TikTok/Reels), 4:5 (Instagram portrait). Use the resize section to scale dimensions while keeping the same ratio. Perfect for video editing, web design, and social media content.