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 18 Years’ Worth of Days The average retirement lasts for 18 years, with many lasting even longer. Will you fill your post-retirement days with purpose? Saving Early & Letting Time Work For You The earlier you start pursuing financial goals, the better your outcome may be. Roth IRA for Kids Learn about the benefits and requirements of opening a Roth IRA for kids.