Font Sizes and Length Units
Font size in inches. (0.166667in)
Font size in centimeters. (0.423333cm)
Font size in millimeters. (4.233333mm)
Font size in picas. (1pc)
Font size in points. (12pt)
Font size in em units. (1em)
Font size in ex units. (1ex)
Font size as a percentage. (100%; 10% indent)
Font size in pixels. (30px)
Font size; no specified units. (30)