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 | Want to be Smarter With Your Money? Join our mailing list and get news and info to support your financial goals. First Name Last Name Email Address Thank you! Oops! Related Content 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 Appeal Your Property Taxes For homeowners who think their property taxes are too high, there are ways to appeal. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.