Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. 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 Question Thank you! Oops! Related Content Fixed or Variable Mortgage, Which Should You Pick? When selecting a mortgage, one of the most critical choices is between a fixed or variable interest-rate mortgage. A Living Trust Primer Living trusts are popular, but their appropriateness will depend upon your individual needs and objectives. Getting a Head Start on College Savings A few strategies that may help you prepare for the cost of higher education.