Whether you are an employee working on a full-time basis or a freelancer working on a project basis, your salary is the most important aspect of your profile. It does get difficult if you don’t have fixed monthly income but have recurring monthly expenses to cater to. Your monthly income may be insufficient to meet monthly expense. Investing money can be a good solution and this is where the monthly salary calculator helps you. The plans under this monthly income calculator are designed for part-time workers, occasional workers, professionals who work on project/contract basis, and retirees. A gross monthly income calculator helps determine the appropriate investment amount based on an individual’s monthly expense and risk profile.