Annualized Salary is defined preset amount of gross pay per month, of an estimated yearly earning. Annualized Salary is a yearly estimated amount based on job and wage type. Often Annualized Salary is heard in HR that a person is having annual base salary! Though, annual base salary is different than annualized salary in a way that the former is irrespective of the total hours worked by an employee who is not entitled to commissions, overtime, etc. Whereas annualized salary is calculated in equal 12 check payments for an employee as per the working hours input that may include sales commissions, bonuses and etc.