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. The Average American Budget Learn about the average American budget in this fun and interactive piece. Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences.