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 Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. A Checklist for When a Spouse or Parent Passes An overview of some fundamental steps when a loved one passes. Why Everyone Needs an Estate Strategy Do you have an estate strategy? You should.