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 Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years. When Markets React When markets shift, experienced investors stick to their strategy. Working With A Financial Professional A financial professional is an invaluable resource to help you untangle the complexities of whatever life throws at you.