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You need to think in tens just as you do with money or percentages. Nothing could be easier. You do not need to worry about awkward fractions such as working in 16s or 14s. |
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Food is weighed in grams and kilograms. A kilogram is 1,000 grams Most meat, fish and vegetables is priced by the kilogram. Cold meat which is usually bought in smaller quantities is priced by the 100 g. |
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Liquids such as cooking oil, milk, fruit juice, beer and wine are sold in shops in litre-based measures. A millilitre is one thousandth of a litre. Metric recipes also use spoon measures. |
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Kitchen equipment such as ovens, fridges and fryers use the Celsius temperature scale. It is easy to remember that water freezes at 0°C and boils at 100°C. |
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Metric is an easy-to-use and very consistent set of units. It has been adopted in almost every country of the world and has been taught in Britain since 1974. |
Common Quantities and Relationships
As the metric system is decimal there is no need for fractions, although it is possible to use the simpler fractions. The following table is included to help you get an idea of the relationship between a 250 g pack of butter and a kilo; or a 750 ml bottle of wine and a litre.
| Amount in ml or g | Litre / kilo | |
| 100 | is | 1/10 |
| 200 | is | 1/5 |
| 250 | is | 1/4 |
| 330 | is | 1/3 |
| 500 | is | 1/2 |
| 750 | is | 3/4 |