\documentclass{article}
\newcommand{\Cont}{\ensuremath{\textsc{Cont}}}
\newcommand{\emptystoup}{{}_\bullet}
\begin{document}
\newcommand{\TypeLength}[2]
  {\setbox0=\hbox{#2}%
   \typeout{#1: \the\wd0}}
\TypeLength{SIZE1}{\texttt{m}}
\TypeLength{SIZE2}{$\input{text.tex}$}
%\dimen0=1cm\relax
%\typeout{1cm: \the\dimen0}
\end{document}
