Introducing the Aspect Ratio Calculator — Resize Without Distortion

Resizing by eye is how images end up stretched. The new Aspect Ratio Calculator keeps everything in proportion — find the ratio of any size, then solve a new dimension without distortion.

What it does

• Simplifies any size to its ratio (1920×1080 → 16:9) plus decimal and orientation.
• Resizes safely: enter one new dimension and it solves the other.
• One-click presets: 16:9, 4:3, 1:1, 21:9, 9:16, 3:2.
• CSS-ready: use the 16 / 9 value directly in the aspect-ratio property.

Why it matters

The aspect ratio fixes an image’s shape; once it’s set, one dimension determines the other. That single idea is what stops faces going wide and circles becoming ellipses. The calculator does the cross-multiplication for you, instantly, in your browser.

Try it

Open the Aspect Ratio Calculator and check your next export. For the full picture — common ratios, the GCD trick, and CSS usage — read Aspect Ratios Explained: 16:9, 4:3, and How Resizing Works.