← Back to Calculator Suite
Image Ratio Calculator
Calculate aspect ratios, dimensions, and scaling for images
About Image Ratios
Image ratio (aspect ratio) is the proportional relationship between the width and height of an image. It's expressed as width:height and affects how images are displayed, printed, and cropped. Common ratios include 16:9 for widescreen, 4:3 for traditional displays, and 1:1 for square formats.
Image Ratio Photography Tips
- 16:9: Perfect for widescreen displays, videos, and landscape photography
- 4:3: Traditional format, good for portraits and general photography
- 1:1: Square format, popular on social media platforms like Instagram
- 3:2: Standard photography ratio, matches most camera sensors
- 21:9: Ultrawide format, great for cinematic shots and gaming
- 9:16: Portrait orientation, ideal for mobile devices and stories
Common Aspect Ratios and Applications
| Ratio | Decimal | Common Uses | Example Resolutions |
|---|---|---|---|
| 16:9 | 1.78:1 | Widescreen TV, YouTube, gaming | 1920×1080, 3840×2160 |
| 4:3 | 1.33:1 | Traditional TV, tablets, some cameras | 1024×768, 1440×1080 |
| 1:1 | 1:1 | Instagram, profile pictures, square prints | 1080×1080, 2048×2048 |
| 3:2 | 1.5:1 | DSLR cameras, photography | 6000×4000, 3000×2000 |
| 21:9 | 2.33:1 | Ultrawide monitors, cinematic video | 2560×1080, 3440×1440 |
| 5:4 | 1.25:1 | Large format photography, prints | 4000×3200, 2500×2000 |
| 2:1 | 2:1 | Cinematic, panoramic | 4000×2000, 6000×3000 |
| 9:16 | 0.56:1 | Mobile video, stories, TikTok | 1080×1920, 1440×2560 |