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 Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. Financial Aid for Students 101 Help your college-bound child explore scholarships, grants, and more with this article on paying for higher education. A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money.