Aspect Ratio Calculator
Calculate and convert aspect ratios for images, videos, and screens. Enter a width or height and the matching dimension is calculated instantly.
33.7Kuses
8/10(125)
Preset Ratios
:
Width
Height
Dimensions
1920 x 1080
Simplified Ratio
16:9
Decimal Ratio
1.7778
Total Pixels
2,073,600
16:9
How to Use the Aspect Ratio Calculator
- Select a preset ratio (16:9, 4:3, etc.) or enter a custom ratio.
- Enter a width or height value in pixels.
- The other dimension is calculated automatically based on the ratio.
- Use the swap button to flip width and height.
- View the visual preview to see the shape of your aspect ratio.
Features
- Common preset ratios (16:9, 4:3, 21:9, 1:1, etc.)
- Custom ratio input
- Lock width or height to auto-calculate the other
- Visual aspect ratio preview
- Simplified ratio display
- 100% client-side -- no data sent to any server
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Disclaimer: This tool is provided as-is for informational and educational purposes only.