Golden Ratio Font Scale
Base font size
Any positive number. Common body size is 16.
Unit
px
rem
em
The same unit will be used for all calculated sizes.
Calculate golden scale
φ (phi, golden ratio) ≈ 1.618 Up step: size × φ Down step: size ÷ φ
Four steps up and four steps down from the base using the golden ratio.
Level
Size
Factor from base
Sample text