<includeonly>{{#ifexpr:{{{2<noinclude>|1234.5678</noinclude>}}}=0|0|{{formatnum:{{rndRnd |1 = {{{2<noinclude>|1234.5678</noinclude>}}} |(2 = {{maxMax/2 |1 = {{#expr:({{precision/2010Precision |1 = 1{{{1<noinclude>|2</noinclude>}}} }})+({{{5<noinclude>|0</noinclude>}}})-0.5+(ln2/ln10))round0ln10round0}} |2 = {{#expr:1-{{Order of magnitude |1 = {{{2<noinclude>|1234.5678</noinclude>}}} }}}} }}) }}}}}}</includeonly><noinclude> <!--{{pp-template|small=yes}}-->{{Documentation|content=== Usage ==* "{{T|Convert/round|1|1234.5678}}" gives "{{Convert/round|1|1234.5678}}". [[Category:Subtemplates of Template Convert]]{{pp-template|small=yes}}</noinclude>