A: 320 gallons
To do that its would be best for you to go and asking a person who rents the local hall the capacity of people it holds. Because any local hall and a range of capacity.
You can check the Wikipedia article on "SI units".
To state the volume of a lake, you can use cubic feet or cubic meters. These are good measurements for the smaller bodies of water. You can also use acre-feet, especially for larger bodies of water.
most fish tanks are measured in gallons unless it is more of a small fish bowl instead
A micrometer is the unit of measurement to find the diameter of the lung alveoli.
Square centimetres
capacity
grams
kilograms
There are a lot of places you can find information on capacity management. Examples would include the capacity management official website, investopedia, pinkatlas, and ITILL ibrary.
Miligram
square metres.