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. Healthcare Costs in Retirement Without a solid approach, healthcare expenses may add up quickly and potentially alter your spending. Women and Financial Strategies Most women don’t shy away from the day-to-day financial decisions, but some may be leaving their future to chance.