Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. 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 Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. Dreaming Up an Active Retirement When you retire, how will you treat your next chapter? What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement.