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 What Smart Investors Know Savvy investors take the time to separate emotion from fact. Do Our Biases Affect Our Financial Choices? Even the most seasoned investors have biases affecting their financial choices. Insuring Your Business Against Cyber Liability 90% of small businesses in the U.S. don't protect their data from cyber attacks. Is your business at risk?