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 Question Thank you! Oops! Related Content Putting a Price Tag On Your Health Being healthy not only makes you feel good, it may also help you financially. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns.