This depends a lot on the size of the jug ...
If its a fairly small one, you might use ml (milliliters, 1/1000s of a liter)
For a larger one, especially if it is used commercially, you could use cl (centiliters, 1/100s of a liter or 10 ml)
A really big one you would measure in l (Liters, 1 l = 10 cl = 1000 ml)
You would use millimeters for the measure of the capacity of a paper cup.
Milliliters is the metric unit to use for the capacity of a thimble.
A litre.
liters
liter
You would use the metric unit "liters" to measure the capacity of a hot water tank.
The basic metric unit of measure for measuring the capacity of a pitcher is liters (L).
Liters would be easiest to use.
sob
You would use millimeters for the measure of the capacity of a paper cup.
milliliter
Litres.
Probably none because a stream does not have a capacity but a rate of flow.
You would use the metric unit of grams to measure the mass of a dime. This would give you an accurate measurement of its weight.
Liters, milliliters.
120 ml
Milliliters is the metric unit to use for the capacity of a thimble.