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 Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. Managing the Risk of Outliving Your Money Steps to help you sustain and grow your retirement savings.