How to align caption with table?

Question

\documentclass[letterpaper,12pt]{article}

\begin{document}

\begin{table}
\caption{Test test test test test}
\begin{tabular}{c c c c}
\hline\noalign{\smallskip}
$V_{a}$ & $B$ & $r$ & $e/m$\\
(V) & (T) & (m) & (C/kg)\\
\hline\noalign{\smallskip}
1 $\pm$ 1 & 2.04 $\pm$ 0.04 & 2.36 $\pm$ 0.1 & 1 $\pm$ 1\\
\hline\noalign{\smallskip}
\end{tabular}
\end{table}

\end{document}

I'd like to keep the formating of the table above how it is. It is the caption that I'd like to change. I don't like how it seems to be hanging off the right side of the table. I think the caption should be aligned with the left side of the table. How would I do this?

Welcome to TeX.SX!. Add to your preamble \usepackage{caption} \captionsetup[table]{singlelinecheck=false}. — karlkoeller, Oct 06 '13 at 17:32
Otherwise, you can center the table adding \centering just after \begin{table} (probably this way it looks better inside a document). — karlkoeller, Oct 06 '13 at 17:40

score 14 · Accepted Answer · edited Jun 12 '17 at 18:54

14

Use the caption package und use the singlelinecheck=false option.

\documentclass{article}

\usepackage[
singlelinecheck=false % <-- important
]{caption}

\begin{document}

\begin{table}
\caption{Test test test test test}
\begin{tabular}{c c c c}
\hline\noalign{\smallskip}
$V_{a}$ & $B$ & $r$ & $e/m$\\
(V) & (T) & (m) & (C/kg)\\
\hline\noalign{\smallskip}
1 $\pm$ 1 & 2.04 $\pm$ 0.04 & 2.36 $\pm$ 0.1 & 1 $\pm$ 1\\
\hline\noalign{\smallskip}
\end{tabular}
\end{table}

\end{document}

Explanation from the package documentation:

The standard LATEX document classes (article, report, and book) automatically center a caption if it ﬁts in one single line:

enter image description here

edited Jun 12 '17 at 18:54

David Carlisle

757,742

answered Oct 06 '13 at 18:04

Dr. Manuel Kuehner

22,451

Wasn't this already in my comment? – karlkoeller Oct 06 '13 at 18:21
@karlkoeller: Oh yes sorry - didn't see it. But it's a bit more than in the comment though. – Dr. Manuel Kuehner Oct 06 '13 at 18:53
1

I'm the first to give you more 10k :-) My best wishes. Hi. – Sebastiano Aug 31 '19 at 12:27
1

@Sebastiano much appreciated! – Dr. Manuel Kuehner Aug 31 '19 at 12:49
This didn't work for me with RevTeX-4.1 in LyX :'( – user1271772 Sep 18 '23 at 19:58
What worked for me in the end was \usepackage[singlelinecheck=false]{caption} and \captionsetup{skip=0pt,justification=raggedright,singlelinecheck=off} thanks to this. I may have something unnecessary from here, but now that things are working I'm moving on with the project! – user1271772 Sep 18 '23 at 20:03

How to align caption with table?

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