Before measuring something, you need to know what unit to use. You can do this by estimating its approximate size. For measures such as speed you will use a formula.

Part of

The table shows some of the most common units and their equivalents. Make sure you know these conversions.

Converting measurements | |||
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Length | |||

Weight | |||

Capacity |

To convert a larger unit to a smaller unit (eg to ), first check the number of smaller units needed to make larger unit. Then, multiply that number by the number of larger units.

To convert a smaller unit to a larger unit (eg to ), divide it by the number of smaller units which are needed to make larger unit.

To convert from a larger unit to a smaller one, multiply. To convert from a smaller unit to a larger one, divide.

So, to convert from to multiply by , and to convert from to divide by .

For example:

- Question
Convert the following to the units given in brackets:

a)

b)

c)

a)

Remember that .

To convert from to , divide by .

b)

Remember that .

To convert from to , multiply by .

c)

Remember that .

To convert from to , divide by .