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 Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. Medicare Advantage 101 Overview of Medicare Advantage, what’s in them, special rules, and more. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important.