pixels tall, 12px is "12 pixels tall"
This unit (not in SI) is pica; 1 pica = 4,233 33 mm.
My guess would probably be a pixel. or a Point.
The default unit of length for kerning and tracking is the em unit, which is a relative unit based on the width of the uppercase letter "M" in the current font. This unit allows for consistent adjustments that scale appropriately with the font size.
A font size point refers to a unit of measurement used to determine the size of fonts in print design. One point is equal to 1/72 of an inch. For example, a 12-point font would be 12/72 of an inch in height.
In typography, there are 72 points in a font size of one inch. This means that when a font is set to 12 points, it is one-sixth of an inch tall. The point is a standard unit of measure used in printing and typesetting to specify the size of fonts and other elements.
Em. This is from wikipedia:An em is a unit of measurement in the field of typography. This unit defines the proportion of the letter width and height with respect to the point size of the current font. Originally the unit was derived from the width of the capital "M" in a particular typeface.
A font with the little marks at the ends of the lines is a "serif" font. One such font is Times. A font without the marks is a "sans serif" font. One such font is Helvetica.
The point is being the usual unit of measurement for the fonts used in computers. Point is the smallest unit of measure, being a subdivision of the larger pica. It is commonly abbreviated as pt. All computer fonts are measured according to height and width of points.
A font is how text looks. A font group is a group of letters that have the same font.
In HTML: <font size=1>Smallest</font> <font size=3>Normal</font> <font size=7>Largest</font> The font tag can also have the color and face defined. <font size=3 color=red face=arial>Normal</font> However, the FONT tag is deprecated and has been removed from current versions of [X]HTML. Instead, use CSS to specify font size. For example: h1 {font-size: 2em; } div.fineprint { font-size: .85em; }
The font size.
font