16:9
Aspect Ratio
1.7778
Decimal
2,073,600
Total Pixels
1920 × 1080
Aspect Ratio Calculator — Image & Video Ratio Tool
Enter width and height to calculate the aspect ratio, or pick common presets. See total pixel count and a visual preview of the proportions.
How It Works
Enter width and height values and the tool computes the simplified aspect ratio using the greatest common divisor. It also shows the decimal ratio and total pixel count with a proportional preview.
Common Use Cases
- Calculate ratios for responsive web design
- Determine video aspect ratios for editing
- Plan image crops for social media
- Compare screen resolutions
Frequently Asked Questions
Common 16:9 resolutions include 1920×1080 (Full HD), 2560×1440 (QHD), and 3840×2160 (4K UHD).
The tool divides both width and height by their greatest common divisor (GCD) to get the simplest whole-number ratio.