public static Emu ToEmu(this Mm cm)
 {
     return(new Emu(cm.Value * 36000));
 }
 public static Cm ToCm(this Mm mm)
 {
     return(new Cm(mm.Value / 10));
 }
 public static Pt ToPt(this Mm mm)
 {
     return(mm.ToCm().ToPt());
 }