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 Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. Caring for Aging Parents As our nation ages, many Americans are turning their attention to caring for aging parents. Navigating Retirement Pitfalls Why are they made again and again? Making sense of these errors in judgement.