Humidity is the amount of water vapors present in the air. There are certain terminologies that are often used to calculate the humidity content in the air.
Absolute humidity. This is the ratio of water to air that is the total amount of water vapors present in the air at given time.
Relative humidity: This is the ratio of total quantity or air that is present in the form of gaseous vapors to the total quantity of moisture that air can absorb into it.
Specific humidity - this is the specific amount of water vapors in specific amount of air.
