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 Message Thank you! Oops! Related Content Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. What the New Tax Bill Means for You What does the Tax Reform and Jobs Act mean for you? Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable.