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.