What is Capacity? Definition: The interior volume or maximum holding limit of a hollow object like a bottle, box, or cup. Difference from Volume: Volume is the amount of physical space an object takes up, while capacity is specifically how much liquid or material can fit inside the container. Common Units: Measured in metric units like litres (L) and millilitres (ml), or imperial units like cups, pints, and gallons. i will say that our one is so much  but the other one I see is that some one there has so much we need to fix our one like that thank you to look at our one.