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 Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate. Asset Allocation Consider how your assets are allocated and if that allocation is consistent with your time frame and risk tolerance. A Living Trust Primer Living trusts are popular, but their appropriateness will depend upon your individual needs and objectives.