What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Buying vs. Leasing a Car Whatever your relationship with your car, it may eventually come time for a new one. Familiarize yourself with your options. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program.