Compare different units

data = {"175 lb", "100 kg", "12 stones", "hundredweight"};
PieChart[Quantity /@ data, ChartLabels -> data, ImageSize -> Medium, LabelStyle -> {FontFamily -> "Helvetica", FontSize -> 14}]

-Graphics-

data2 = {"4 ft. 5 inches", "172 cm", "2.3 yards", "horse length"};
BarChart[Quantity /@ data2, ChartLabels -> data2, ChartStyle -> "Rainbow", AxesLabel -> Automatic, ImageSize -> Medium, LabelStyle -> {FontFamily -> "Helvetica", FontSize -> 14}]

-Graphics-