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 Message Thank you! Oops! Learn How to Avoid These 6 Common Tax Errors Knowing how you need to file your taxes depends on your income and filing status, as well as which deductions and credits you can claim. In this free ebook, we share some common errors to avoid. 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. Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.