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<h4 class="std">4.1.1.2 Conversion Units</h4>
<p>Conversion units are defined according to a conversion factor (and conversion offset for temperature) relative to a specified base SI unit.</p><p class="fig-ref">Figure 2 illustrates an instance diagram.</p>
<table><tr><td><img alt="Conversion Units" src="./diagrams/conversion-units.png" usemap="#f2"><map name="f2"><area shape="rect" coords="8,8,176,188" href="../ifckernel/lexical/ifcproject.htm" alt="IfcProject" /><area shape="rect" coords="208,8,376,32" href="../ifcmeasureresource/lexical/ifcunitassignment.htm" alt="IfcUnitAssignment" /><area shape="rect" coords="408,8,576,68" href="../ifcmeasureresource/lexical/ifcconversionbasedunit.htm" alt="IfcConversionBasedUnit" /><area shape="rect" coords="608,8,776,20" href="../ifcmeasureresource/lexical/ifcunitenum.htm" alt="IfcUnitEnum" /><area shape="rect" coords="608,40,776,52" href="../ifcmeasureresource/lexical/ifclabel.htm" alt="IfcLabel" /><area shape="rect" coords="608,72,776,108" href="../ifcmeasureresource/lexical/ifcmeasurewithunit.htm" alt="IfcMeasureWithUnit" /><area shape="rect" coords="808,8,976,20" href="../ifcmeasureresource/lexical/ifcreal.htm" alt="IfcReal" /><area shape="rect" coords="808,40,976,88" href="../ifcmeasureresource/lexical/ifcsiunit.htm" alt="IfcSIUnit" /><area shape="rect" coords="1008,8,1176,20" href="../ifcmeasureresource/lexical/ifcsiprefix.htm" alt="IfcSIPrefix" /><area shape="rect" coords="1008,40,1176,52" href="../ifcmeasureresource/lexical/ifcsiunitname.htm" alt="IfcSIUnitName" /></map></td></tr><tr><td><p class="figure">Figure 2 &mdash; Conversion Units</p></td></tr></table>

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