[Tex/LaTex] Chapter title with particular style and font size

chaptersfontsizesectioning

I want my chapter title to be like this

enter image description here

here is my latex code

\documentclass[a4paper, 12pt]{report}

\begin{document}

 \chapter{INTRODUCTION}

 \end{document}

My output is

enter image description here

I also need to change the font size of the chapter title to 14 pt. Any help?

Best Answer

Here is the original definition of \@makechapterhead from report.cls:

\def\@makechapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedright \normalfont
    \ifnum \c@secnumdepth >\m@ne
        \huge\bfseries \@chapapp\space \thechapter
        \par\nobreak
        \vskip 20\p@
    \fi
    \interlinepenalty\@M
    \Huge \bfseries #1\par\nobreak
    \vskip 40\p@
  }}

The above macro sets the header what you use \chapter. Let's change it to match your output:

enter image description here

\documentclass[12pt]{report}

\makeatletter
\def\@makechapterhead#1{%
  \vspace*{50\p@}%
  {\parindent \z@ \raggedleft \normalfont
    \ifnum \c@secnumdepth >\m@ne
        \large\bfseries \MakeUppercase{\@chapapp}\space \thechapter
        \par\nobreak
        \vskip 10\p@
        \rule[.5ex]{\textwidth}{.4pt}%
        \vskip 10\p@
    \fi
    \interlinepenalty\@M
    \large \bfseries \MakeUppercase{#1}\par\nobreak
    \vskip 40\p@
  }}
\makeatother

\usepackage{lipsum}

\begin{document}

\chapter{Introduction}
\lipsum

\end{document}

\large under the 12pt document class option results in a 14pt font. You can add your font selection within the definition.

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