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 Impact Investing or Philanthropy This fun piece can help your clients explore the benefits of impact investing versus founding a philanthropy. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan. Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax.