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# LaTeX Font Size

## 1. Configuring the Latex Font Size for the Whole Document

In order to change the size for the whole document you specify the size in pt within the document class (see first line in Listing 1).

Most LaTeX document classes support 10pt, 11pt or 12pt as a font size configuration. If you use an unsupported font size you will get the warning shown in listing 2. In this case LaTeX will fall back to the default configuration.

If you need another font size for the article class you can use the extarticle class which allows to specify 8pt, 9pt, 10pt, 11pt, 12pt, 14pt, 17pt or 20pt.

## 2. Configuring the Latex Font for Parts of the Document

If you want to change the font size of specifc parts of the document you can use {\Huge the big text} for for making the text "the big text" very big. See listing 1 for a example and figure 2 for the resutling PDF. Instead \Huge you also can use \huge with a small "h", \LARGE, \Large, \large, \normalsize, \small, \footnotesize, \scriptsize, or \tiny.

If you want to change the font size of large part of the document you can use \begin{small} and \end{small} to encapsulate the part which should be smaller (see listing 3).

The actual size in points depends on the global font size configured in the document class. Table 1 gives an overview what font size will result using a specific command in context with a specific document class configuration.

 Font Size in Document Class 10pt 11pt 12pt \tiny 5pt 6pt 6pt \scriptsize 7pt 8pt 8pt \footnotesize 8pt 9pt 10pt \small 9pt 10pt 11pt \normalsize 10pt 11pt 12pt \large 12pt 12pt 14pt \Large 14pt 14pt 17pt \LARGE 17pt 17pt 20pt \huge 20pt 20pt 25pt \Huge 25pt 25pt 25pt