A good leave calculator not only calculates exact number of available leave but also record this information for further decision-making process. The data based on calculator can be used for long term strategic decisions. Management can also make worthy decision regarding new hiring or expansion based on the data. There are many firms which are providing consultancy services for organization regarding staff management, and they accept data based on annual leave calculator. This template can be store with title of leave record against ID of each and every employee for quick reference.