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Length The standard unit of length is a metre (m). There are 1,000 millimetres (mm) in a metre. There are 1,000 metres in a kilometre (km) A centimetre (cm) is 10 mm and there are 100 cm in 1 metre |
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Liquids/Volume The standard unit is a litre (l). There are 1,000 millilitres (ml) in a litre. There are 1,000 litres in a cubic metre (m3). A centilitre (cl) is 10 ml and there are 100 cl in 1 litre. |
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Measuring Spoons There are 5 millilitres (ml) in a teaspoon (tsp). |
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Weight The standard unit is a gram (g). There are 1,000 milligrams (mg) in a gram. There are 1,000 grams in a kilogram (kg). A litre of water weighs 1 kg. A kilogram is commonly abbreviated to kilo |
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Temperature The standard unit is Celsius (C). This is the correct term for centigrade. The freezing point of water is 0°C. The boiling point of water is 100°C. |