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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). Infographic: While You’re Still Covered Your healthcare coverage will change in retirement. Here are things you might do before your coverage switches. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important.