Aspect Ratio Calculator
Calculate the missing dimension for any aspect ratio.
🔒 No uploads⚡ Instant🆓 Free
Original Dimensions
×
Ratio: 16:9
New Dimensions (enter one)
×
1280 × 720
How It Works
1
Enter the original width and height.
2
Enter either a new width or height.
3
The calculator finds the other dimension.
Features
✓Common ratio presets (16:9, 4:3, etc.)
✓Calculate width from height
✓Calculate height from width
✓Real-time calculation
✓No data leaves your browser
Frequently Asked Questions
What is aspect ratio?▼
The aspect ratio describes the proportional relationship between width and height. 16:9 means for every 16 units of width there are 9 units of height.
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