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 Four Steps to Valuing an Estate Determining the value of your estate, or for someone who has passed away, can be a complex undertaking. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important.