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 Leaving Your Lasting Legacy Want to do more with your wealth? You might want to consider creating a charitable foundation. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important.