Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. 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 The Anatomy of an Index The S&P 500 represents a large portion of the value of the U.S. equity market, it may be worth understanding. SECURE Act 2.0: An Overview The second iteration of the SECURE Act brings forward several changes to the world of retirement. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates.