If a recipe asked you to add 0.2 kg of butter, but your scales only measured in grams, you would have to quickly convert the measure in your head to weigh the correct amount. This video gives ...

Mass or weight is measured in grams (g) and kilograms (kg). Capacity is measured in millilitres (ml) and litres (l). Weight is measured in grams (g) and kilograms (kg).