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 Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage. Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important.