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 All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits. When Heirs are Imperfect The money problems or bad lifestyle habits of adult children could lead to the squandering of any inheritance they receive.