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 Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. Spotting Credit Trouble The wise use of credit is a critical skill. These 10 questions will help you assess your skill level. FIRE Retirement This short, informative article teaches the basics of the FIRE movement.