Question 1

What is the difference between DPI and PPI?

Accepted Answer

DPI (dots per inch) is for printing. PPI (pixels per inch) is for screens. Often used interchangeably.

Question 2

What DPI is needed for printing?

Accepted Answer

300 DPI for photos, 150-200 for web graphics, 1200+ for fine art. Higher = sharper but larger files.

Question 3

What's the difference between points and pixels?

Accepted Answer

Points (1/72 inch) are absolute size units for print. Pixels depend on screen resolution. At 96 DPI (common monitors): 1 point ≈ 1.33 pixels.

Question 4

Why do designers use different typography units?

Accepted Answer

Points/picas from traditional typesetting. Pixels for screen design. Em/rem for responsive web design. Each optimizes for different output media.

Typography Unit Converter - Free Online Tool

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