# Capacity

Capacity is the total amount that can be contained or produced.[1]

Specifically, capacity may refer to:

• The capacity of a container is the ability to hold a fluid (see volume#Related terms)
• In decision theory, a capacity is a subjective measure of likelihood of an event, similar to a membership function in fuzzy logic
• In traffic flow theory, capacity is the maximum traffic flow rate that may be attained.
• Capacity (law), the legal ability to engage in certain acts, such as making a contract
• Capacity of a set, in mathematics, one way of measuring a set's size
• Battery capacity, in electrical engineering, a measure of a battery's ability to store electrical charge
• Carrying capacity, in biology, the ability of an environment to sustain populations
• Channel capacity, in communications
• Combining capacity, in chemistry, number of chemical bonds formed by the atoms of a given element
• Heat capacity, in physics and chemistry, the amount of heat required to change a substance's temperature
• Nameplate capacity, in power plants, the general number of Megawatts technically available
• Productive capacity, in economics, management and engineering, refers to the maximum possible output of a system
• Seating capacity, the maximum number of persons that can be seated in a specific place