Resolution Converter
Convert between different image resolutions, calculate print sizes, and aspect ratios
Resolution Converter
Select a common resolution or specify custom dimensions below
Understanding Digital Resolution
Pixel Dimensions
The width and height of an image measured in pixels. For example, a Full HD display has 1920×1080 pixels.
Higher dimensions allow for more detail but require more storage space and processing power.
Megapixels (MP)
The total number of pixels in an image, measured in millions. A 12MP camera produces images with approximately 12 million pixels.
Modern smartphone cameras range from 12MP to 108MP, while professional cameras typically offer 24-60MP.
PPI (Pixels Per Inch)
Describes the pixel density on a display or in a printed image. Higher PPI means sharper images with more detail.
For printing, 300 PPI is considered standard quality, while modern smartphone displays often exceed 400 PPI.
Aspect Ratio
The proportional relationship between width and height. Common ratios include 16:9 (widescreen), 4:3 (standard), and 1:1 (square).
Different devices and media formats use different aspect ratios, which is why content may sometimes appear with black bars.
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Resolution Visualization
High Definition
1920 × 1080 pixels (2.07 MP)
Resolution Comparison: Full HD 1080p Display
Standard Comparison
1280×720
1920×1080
3840×2160
Resolution Guide
Display Standards
| Name | Resolution | Aspect |
|---|---|---|
| SD | 720×480 | 3:2 |
| HD Ready | 1280×720 | 16:9 |
| Full HD | 1920×1080 | 16:9 |
| QHD/2K | 2560×1440 | 16:9 |
| 4K UHD | 3840×2160 | 16:9 |
| 8K UHD | 7680×4320 | 16:9 |
Resolution Tips
- • Higher resolution means more detail but larger file size
- • For web images, balance quality with load times
- • Video resolution impacts streaming bandwidth requirements
- • Most modern displays use 1080p (Full HD) or higher
- • Phone cameras typically output 12MP to 48MP images
- • When upscaling, image quality may be reduced
About the Resolution Converter
Convert between different image resolutions, calculate print sizes, and aspect ratios All conversions run instantly in your browser and nothing you enter is sent to a server.
Common Conversion Formulas
| From | To | Formula |
|---|---|---|
| Pixel Density (PPI) | Resolution (pixels), Diagonal (inches) | PPI = √(width² + height²) / diagonal |
| Megapixels (MP) | Resolution (width × height) | MP = (width × height) / 1,000,000 |
| Print Width (inches) | Pixel Width, DPI | Print Width = Pixel Width / DPI |
| Aspect Ratio | Width, Height | Aspect Ratio = Width:Height (simplified) |