My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. 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 Question Thank you! Oops! Related Content Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. 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. Universal Life Insurance Universal life insurance is permanent insurance with a flexible premium. Here's how it works.