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 Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared? The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge.