public static Mm ToMm(this Cm cm)
 {
     return(new Mm(cm.Value * 10));
 }
 public static Pt ToPt(this Cm cm)
 {
     return(cm.ToEmu().ToPt());
 }
 public static Emu ToEmu(this Cm cm)
 {
     return(new Emu(cm.Value * 360000));
 }