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 Does Your Portfolio Fit Your Retirement Lifestyle? Lifestyle considerations in creating your retirement portfolio. A Bucket Plan to Go with Your Bucket List A bucket plan can help you be better prepared for a comfortable retirement. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.