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 Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. Please Leave Home Without It Concerns over identity theft continue to grow, especially with data breaches at major companies and financial institutions. When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone.