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 The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge. What To Do When Your Income Reaches 7 Figures Preserve your high net worth with these foundational tips. Emotional vs. Strategic Decisions Information vs. instinct. Are your choices based on evidence of emotion?