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 Choosing a Mortgage Selecting a mortgage isn't an easy process. Get a better understanding of how professionals make the right decisions. How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money. Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them.