Aspect Ratio Calc

Aspect Ratio Calculator is a fast, free tool for calculating and converting aspect ratios for images, video, and screens.

Features:
• Calculate width or height from any aspect ratio
• Convert between common ratios (16:9, 4:3, 1:1, 21:9, and more)
• See real-time results as you type
• Works for photos, video editing, social media, web design, and print
• Clean, simple interface — no ads, no sign-up

Perfect for:
- Video editors who need exact frame dimensions
- Designers working with responsive layouts
- Social media managers sizing content for different platforms
- Photographers cropping and resizing images
- Anyone who needs quick aspect ratio math

Just enter your known dimension and target ratio — the calculator does the rest instantly.

Free. Simple. No account required.