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 How Income Taxes Work A quick look at how federal income taxes work. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Replacing Your Medicare Card Learn how to replace your lost, stolen, or damaged Medicare card in this helpful article.