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 Message Thank you! Oops! Related Content What's So Great About a Rollover? Making a career move requires tough decisions, not the least of which is what to do with the funds in your retirement plan. All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals.