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 Your DNA Test Preparing for the unexpected can make all the difference if your family relies on your income. A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. Dog Bites and Homeowners Insurance Reviewing coverage options is just one thing responsible pet parents can do to help look out for their dogs.