meter and liter as its primary units of weight, distance and capacity. The metric system is the primary standard used all over the world except in the U.S., Liberia and Myanmar (formerly Burma).

Common objects with known sizes include ... The mass of a bag of sugar, commonly 1 kg (kilogram). Work out what metric unit could be used to estimate the height of a leisure centre.

Use this free printable to easily convert dry and liquid baking ingredients from imperial to metric or vice versa ... still ...