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 Life Insurance Myths: Debunked Whether you have life insurance through your work or are retired it pays to know the truth about life insurance coverage. Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card. Life and Death of a Twenty Dollar Bill How long does a $20 bill last?