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 Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. Trends in Charitable Giving Some people may want a more advanced gifting strategy that can maximize their gift and generate potential tax benefits. Insuring Your Business With a Buy/Sell Agreement It may help your business be better prepared in the event of the death of a principal or key employee.