Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. 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 The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work. What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability.