Monitor PPI Calculator
Calculate the pixel density (PPI) of your computer monitor based on resolution and screen size. Enter the width, height, and diagonal size to get the PPI.
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Understanding PPI (Pixels Per Inch)
PPI (Pixels Per Inch) is a measure of pixel density, indicating how many pixels are packed into one inch of the screen. Higher PPI results in sharper and more detailed images.
What is PPI?
PPI stands for Pixels Per Inch. It is a measure of the resolution of a screen, calculated by dividing the number of pixels along the diagonal by the diagonal size of the screen in inches.
How is PPI Calculated?
The formula for calculating PPI is:
PPI = √(Width² + Height²) / Diagonal
Where:
- Width is the horizontal resolution in pixels.
- Height is the vertical resolution in pixels.
- Diagonal is the screen size in inches.
Common PPI Values
| Resolution | Screen Size | Typical PPI |
|---|---|---|
| 1920x1080 (Full HD) | 24 inches | 92 PPI |
| 2560x1440 (QHD) | 27 inches | 109 PPI |
| 3840x2160 (4K UHD) | 32 inches | 140 PPI |
Frequently Asked Questions
Why is PPI important?
PPI determines the sharpness and clarity of the display. Higher PPI means more pixels are packed into each inch, resulting in a crisper image.
What is a good PPI for a monitor?
A PPI of 90-110 is considered good for most monitors. For high-resolution displays like 4K, a PPI of 140 or higher is ideal.
Does PPI affect gaming performance?
Higher PPI requires more graphical power to render images, which can impact gaming performance. However, it also provides a more immersive and detailed visual experience.
Can I calculate PPI without knowing the screen size?
No, the screen size (diagonal in inches) is required to calculate PPI. If you don't know the screen size, you can estimate it based on the resolution and typical PPI values.
Tips for Choosing the Right Monitor
- Consider the resolution and PPI for sharpness and clarity.
- Choose a screen size that fits your workspace and viewing distance.
- Check the aspect ratio (e.g., 16:9, 21:9) for compatibility with your tasks.
- Look for additional features like refresh rate, color accuracy, and ergonomic adjustments.