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 Managing an Inheritance A windfall from a loved one can be both rewarding and complicated. How Income Taxes Work A quick look at how federal income taxes work. Rightsizing for Retirement What does your home really cost?