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 My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. How to Invest in LGBTQ+ Friendly Companies This article allows those who support LGBTQ+ interests to explore the possibilities of Socially Responsible Investing. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.