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 Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are? Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers.