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 Potential Income from an IRA Estimate your monthly and annual income from various IRA types. Putting a Price Tag On Your Health Being healthy not only makes you feel good, it may also help you financially. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate.