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 Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. Retirement Realities Many pre-retirees can become focused on the “ideal” retirement, but turning that dream into a reality can be tricky.