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 Message Thank you! Oops! Related Content Please Leave Home Without It Concerns over identity theft continue to grow, especially with data breaches at major companies and financial institutions. Getting a Head Start on College Savings A few strategies that may help you prepare for the cost of higher education. Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors.