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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content 401(k) Plans Are Not Just for Big Businesses Many small businesses are one person businesses. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. How Stocks Work Understanding how a stock works is key to understanding your investments.