[Tex/LaTex] How to change the default font size

fontsize

How can I change the default font size throughout the LaTeX document? Is this even possible?

Best Answer

at least some document classes provide an optional argument to do this. for example,

\documentclass[12pt]{book}

will provide a changed set of font sizes (\footnotesize will be smaller, for example) in a coherent style.

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[Tex/LaTex] How to set default font size in latex cls file

12pt is the default. The demo class is baz.cls

\RequirePackage{filecontents}
\begin{filecontents}{baz.cls}
\def\@@ptsize{12pt}
\DeclareOption{10pt}{\def\@@ptsize{10pt}}
\DeclareOption{11pt}{\def\@@ptsize{11pt}}
\DeclareOption{12pt}{\def\@@ptsize{12pt}}
\DeclareOption*{\PassOptionsToClass{\CurrentOption}{report}}
\ProcessOptions\relax
\LoadClass[letterpaper,oneside,onecolumn,final,openany,\@@ptsize]{report}
\end{filecontents}

\documentclass
%[10pt]
%[11pt]
{baz} 
\usepackage{lipsum}

\begin{document}
\lipsum  
\end{document}

[Tex/LaTex] Change font size relative to current font size

Have a look at the relsize package. Package description:

The basic command of the package is \relsize, whose argument is a number of \magsteps to change size; from this are defined commands \larger, \smaller, \textlarger, etc.

Best Answer

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[Tex/LaTex] How to set default font size in latex cls file

[Tex/LaTex] Change font size relative to current font size

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