Pixel Conversion Formula:
From: | To: |
Definition: This calculator converts inches to pixels based on the pixels per inch (PPI) value.
Purpose: It helps designers, developers, and digital artists convert physical measurements to digital pixels for screen display.
The calculator uses the formula:
Where:
Explanation: The inches measurement is multiplied by the PPI value to determine how many pixels are needed to represent that length on a digital display.
Details: PPI determines the resolution and clarity of digital displays. Standard screens typically use 72 PPI (Mac) or 96 PPI (Windows), while high-resolution displays may use higher values.
Tips: Enter the length in inches and the PPI value (default 96). All values must be > 0.
Q1: What's the difference between PPI and DPI?
A: PPI (pixels per inch) refers to screen resolution, while DPI (dots per inch) refers to printer resolution.
Q2: What PPI should I use for web design?
A: 96 PPI is standard for Windows displays, while 72 PPI is standard for Mac displays.
Q3: How does this relate to responsive design?
A: While PPI helps with absolute measurements, responsive design typically uses relative units like percentages or viewport units.
Q4: What about high-DPI (Retina) displays?
A: For Retina displays, you may need to use 2x the standard PPI (e.g., 192 instead of 96) for crisp images.
Q5: Can I use this for print design?
A: This calculator is for screen display only. Print design requires DPI calculations which consider additional factors.