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 Question Thank you! Oops! Related Content Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. How to Retire Early Retiring early sounds like a dream come true, but it’s important to take a look at the cold, hard facts.