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 Understanding Equity Compensation Net Unrealized Appreciation and how it affects tax responsibilities. The Business Cycle Understanding the economy's cycles can help put current business conditions in better perspective. Intellectual Property and Your Estate Do you have intellectual property? Consider how you might include your IP into your estate strategy in this detailed article.