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 Required Reading: The Economic Report of the President The Economic Report of the President can help identify the forces driving — or dragging — the economy. Directors and Officers Liability Insurance Not only can D&O insurance provide financial protection, but it can help improve an organization’s decision-making. The Latte Lie and Other Myths Check out this video to begin separating fact from fiction.