Question 1

What is ideal line height?

Accepted Answer

Body text: 1.4-1.6× font size. Headlines: 1.0-1.2×. Too tight hurts readability, too loose wastes space.

Question 2

How is line height measured?

Accepted Answer

Ratio (1.5), percentage (150%), or absolute (24px). Ratio is most flexible for responsive design.

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.

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