"Calculators aren't capable of providing a bullet-proof analysis of the complex factors and future unknowns that will determine whether someone has done the planning and saving required to ensure a financially secure retirement. With that caveat, Squared Away found three calculators ... that do a good job. They met our criteria of being reliable, free, and easy to use. Many other calculators were quickly eliminated, because they were indecipherable or created issues on the first try."  MORE >>