Have you observed that when you fill water in a pan or a bottle, there is only a certain amount of water you can fill in them? All the sodas and chocolate syrups have a maximum amount mentioned on their containers. This certain amount that the pan, bottle, or any other container can hold is called capacity.

In the hospitality and tourism sector, an excellent example of capacity is the "Carrying Capacity" of a sensitive tourist site, such as the Inca Trail in Peru. To prevent environmental degradation and ensure a quality experience, the Peruvian government strictly limits the trail's capacity to 500 people per day, which includes hikers, guides, and porters. This is an example of "Physical Carrying Capacity"—the maximum number of people an area can support without causing permanent destruction to the site. Another example is the "Room Capacity" of a hotel; if a 3-star hotel has 28 rooms, its maximum monthly capacity is roughly 840 room-nights (28 rooms x 30 days). Management must balance this capacity against "Social Capacity," which is the point where a local community or the guests themselves feel the destination is too crowded. Understanding capacity allows managers to implement pricing strategies, like "surge pricing," to manage demand when the number of visitors approaches the site's physical or environmental limits.