Which metric unit represents 'one thousandth of a litre'?

$1$1 L

$1$1 kL

$1$1 mL

$1$1 kg

Which metric unit represents 'one thousand milliliters'?

How much water is in the jug?

Give your answer in litres.

Convert $6$6 litres to millilitres.

Convert between metric units, using whole numbers and commonly used decimals