# [Tex/LaTex] How to know the column width of a two column article

articlelengthstwo-columnwidth

I'm writing an article with 2 columns. If my document is this:

\documentclass[10pt,a4paper, twocolumn]{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[
left=2.00cm,
right=2.00cm,
top=2.00cm,
bottom=2.00cm
]{geometry}
\usepackage{blindtext}
\begin{document}
\blinddocument
\end{document}


Is there a way tho know exactly the width of the column (see picture)? I need it for draw in others softwares using this lenght.

The column width is stored in the length \columnwidth. It's value can be turned into a text representation using \the\columnwidth. Either use this inside \message{...} to print it to the LaTeX compiler output and log file or directly in the text if you want. The value is in Points (pt) which are 1/72.27 of an inch. (Not that PDF and Postscript have points with 1/72 inches for simplify calculations. These are called "big points" (bp) in TeX.)

\documentclass[10pt,a4paper, twocolumn]{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[
left=2.00cm,
right=2.00cm,
top=2.00cm,
bottom=2.00cm
]{geometry}
\usepackage{lipsum}
\begin{document}
\section{bla}
some text \message{The column width is: \the\columnwidth}
The column width is: \the\columnwidth
\lipsum
\lipsum
\end{document}


Which gives me: The column width is: 236.84843pt