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 Question Thank you! Oops! Free Guide: All About Tax Reform In 2018, the United States saw the biggest overhaul to the tax code in 30 years. Download our free ebook now to learn about how these changes impacted the financial landscape. First Name Last Name Email Address Thank you! Oops! Related Contents The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you. How to Make the Tax Code Work for You When you take the time to learn more about how it works, you may be able to put the tax code to work for you. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.