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 Separating the Signal From the Noise A good professional provides important guidance and insight through the years. Alternative Investments - Going Mainstream Alternative investments are going mainstream for accredited investors. It’s critical to sort through the complexity. Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax.