its/Reference.html#header.boost.units.systems.si.length_hpp" title="Header &lt;boost/units/systems/si/length.hpp&gt;">
<link rel="prev" href="meters.html" title="Global meters">
<link rel="next" href="metres.html" title="Global metres">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table cellpadding="2" width="100%"><tr>
<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td>
<td align="center"><a href="../../