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 The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio. Making a Charitable Contribution There are benefits and limitations when you decide to donate stock.