er.boost.units.absolute_hpp" title="Header &lt;boost/units/absolute.hpp&gt;">boost/units/absolute.hpp</a></code>
        (for affine conversions with offsets).
      </p>
<p>
        The macro <span class="underline"><code class="computeroutput"><a class="link" href="../BOOST_UNIT_1_3_44_10_2_7_3.html" title="Macro BOOST_UNITS_DEFINE_CONVERSION_FACTOR">BOOST_UNITS_DEFINE_CONVERSION_FACTOR</a></code></span>
        specifies a scale factor for conversion from the first unit type to the second.
        The fi