1. What is PPI to Inches Conversion?

The PPI (Pixels Per Inch) to inches conversion calculates the physical size (in inches) that a digital image will be when printed or displayed based on its pixel dimensions and the PPI resolution.

2. How Does the Calculator Work?

The calculator uses the simple formula:

Where:

• \( pixels \) — The number of pixels in the image dimension
• \( ppi \) — The pixels per inch (resolution) of the display or printer

Explanation: This formula converts digital pixel dimensions to physical size by dividing the pixel count by the resolution (PPI).

3. Importance of PPI Conversion

Details: Understanding this conversion helps in preparing images for print, designing for specific display sizes, and ensuring image quality matches the intended output medium.

4. Using the Calculator

Tips: Enter the pixel dimension you want to convert and the PPI (pixels per inch) of your target display or printer. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between PPI and DPI?
A: PPI (Pixels Per Inch) refers to digital resolution, while DPI (Dots Per Inch) refers to printer resolution. They're often used interchangeably but are technically different.

Q2: What's a typical PPI for displays?
A: Standard monitors are often 72-96 PPI, while modern smartphones can be 300-500 PPI. Retina displays are typically 220-300 PPI.

Q3: What PPI should I use for printing?
A: For high-quality prints, 300 PPI is standard. For large format prints viewed from a distance, 150-200 PPI may be sufficient.

Q4: Does changing PPI affect file size?
A: No, PPI is just metadata. File size depends on pixel dimensions (width × height in pixels).

Q5: How do I find an image's PPI?
A: In image editing software or file properties, look for resolution information. Note that PPI can be changed without resampling the image.