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 Women on the Rise Explore the growing influence women wield over the economy with this handy infographic. Understanding the Alternate Valuation Date Executors can value the estate on the date of death, or on its six-month anniversary —the “Alternate Valuation Date." A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals.