What is the capacity measurement?

Answer 1

Capacity measurement is made with your standard lineal measure unit taken it to the 3 (Cubical units), e.g:

1 cubic foot equals 1728 cubic inches.

The international system is with litres, metres, etc.

Answer 2

Capacity is the maximum amount that something can hold or produce, usually measured in units like liters, gallons, or cubic meters. It is commonly used to describe how much liquid or solid a container can hold.