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 Diversification, Patience, and Consistency Three important factors when it comes to your financial life. Conquering Retirement Challenges for Women Looking ahead can help you conquer these unique obstacles. Avoiding Cognitive Decline Try these activities to keep your brain sharp.