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 Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. Estate Strategies of the Rich and Famous The examples of famous celebrities underline the need for a clear estate strategy. The History of Currency Currency has been around for a long time. Here’s a quick history lesson.