In the previous topics, we looked at Conversion Problems from Imperial to and from Metric; please see the links below.

Conversion Problems Imperial to and from Metric P1 • Mathematics Quiz for Revision | GCSE.CO.UK
Conversions involve changing a quantity from one unit of measure to another. You must be familiar with Metric and Imperial unit conversions, the two main types of unit conversions.
Conversion Problems Imperial to and from Metric P2 • Mathematics Quiz for Revision | GCSE.CO.UK
Imperial-to-metric and metric-to-imperial conversions involve changing a quantity from one system of units to another. These conversions are essential in many fields, such as science, engineering, and everyday life.

This topic will look at Conversion Problems from Metric to Metric. Metric-to-metric conversions involve changing a quantity from one metric unit of measure to another. For example, converting meters to centimetres or litres to millilitres.

To convert between metric units, all you need to know are the conversion factors, which are based on the metric system's base units. The base units for the metric system are metre, gram, and litre.

Here are some common conversion factors for metric-to-metric conversions:

1 kilometre (km) = 1000 metres (m)
1 metre (m) = 100 centimetres (cm)
1 centimetre (cm) = 10 millimetres (mm)
1 kilogram (kg) = 1000 grams (g)
1 gram (g) = 1000 milligrams (mg)
1 litre (L) = 1000 millilitres (mL)

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