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 Message Thank you! Oops! Related Content Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate. Estate Management Checklist Is your estate in order? This short quiz may help you assess your overall strategy.