Aspect Ratio Calculator
Maintain perfect proportions in your responsive designs
Aspect Ratio Calculator
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Calculated Dimensions
Width
px
Height
px
1280 × 720
16:9 Aspect Ratio
px
px
Aspect Ratio
Ratio
Simplified Ratio
16:9
Decimal Form
1.78:1
16:9
CSS Code
/* CSS will appear here */HTML Example
Preview
16:9
Common Aspect Ratios
| Ratio | Decimal | Common Use |
|---|---|---|
| 16:9 | 1.78:1 | HD Video, Modern Displays |
| 4:3 | 1.33:1 | Standard TV, Older Displays |
| 1:1 | 1:1 | Square Format, Social Media |
| 3:2 | 1.5:1 | Photography, DSLR Cameras |
| 21:9 | 2.33:1 | Ultrawide Displays, Cinema |
| 9:16 | 0.56:1 | Mobile Video, Stories |
Why Maintain Aspect Ratio?
Maintaining proper aspect ratios in web design ensures your content looks consistent and professional across all devices.
- Prevent Distortion - Images and videos maintain their correct proportions
- Professional Layout - Content appears as intended without stretching
- Better UX - Creates predictable, consistent user experience
- Space Planning - Reserve appropriate space for responsive media