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 A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. Directors and Officers Liability Insurance Not only can D&O insurance provide financial protection, but it can help improve an organization’s decision-making. Does Your Credit Score Affect Your Insurance Rates? Your credit score may influence how much you pay for auto and home insurance.