Calculate aspect ratios and dimensions for screens, videos, and images. Perfect for video editing, screen sizing, and ensuring proper proportions for any display format.
Enter dimensions or select a ratio to calculate
Aspect ratio is fundamental to video production, screen selection, and image formatting. Our calculator helps you determine the correct aspect ratio from dimensions or calculate dimensions from a desired ratio, ensuring your content displays perfectly on any screen or platform.
For Video Production: Use 16:9 for YouTube, Vimeo, and general viewing. Use 9:16 for mobile-first content like Stories and Reels. Ultrawide 21:9 works for cinematic productions.
For Displays: Choose based on primary use - 16:9 for entertainment, 16:10 for productivity, 21:9 or 32:9 for gaming and professional video editing.
For Social Media: Each platform has preferences - Instagram favors 1:1 and 4:5, TikTok uses 9:16, YouTube prefers 16:9, and Twitter works with multiple ratios.
Resolution refers to the total number of pixels (e.g., 1920×1080), while aspect ratio describes the proportional relationship between width and height. Multiple resolutions can share the same aspect ratio:
“Essential tool for video production work! I use this daily to calculate proper dimensions when reformatting content for different platforms. The alternative ratio suggestions are incredibly helpful for quick conversions.”
“Perfect for maintaining aspect ratios when resizing images and designing for multiple screen sizes. The decimal ratio display helps me quickly verify proportions in my design software. Clean and intuitive interface.”
“This calculator helps me spec screens and projectors for clients. Being able to quickly calculate dimensions for different aspect ratios ensures I recommend the right equipment for their space and viewing preferences.”
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