There is no such measurement as "a drum of water" . There are currently at least 50 'barrels ' in use. -Pick one.
A "drum" is not a recognised measure for liquids.
There are approximately 343.6 ml in 11.6 oz of water.
How many 200 ml bottles
5 mL
100 mL = 0.1 L of water
1060 ml
about 296 ml...
a tbsp of water is 15 ml.
About 15 ml of water
1.9 cups of water to fill 450 ML
7.5 US gallons of water is 28,390.6 mL
15 mL = 1 tablespoon