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.
A: 320 gallons
The best measurement to find the length of a grasshopper would be to use a ruler or caliper. Measure from the tip of its head to the end of its abdomen, ensuring that the grasshopper is straightened out for an accurate reading. This measurement should be taken in centimeters or millimeters for precision. It's important to handle the grasshopper gently to avoid stress or injury.
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".
most fish tanks are measured in gallons unless it is more of a small fish bowl instead
Square centimetres
capacity
kilograms
grams
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.
Kilograms.
square metres.