Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. 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 Message Thank you! Oops! Related Content What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA. Will Power Preparing for the eventual distribution of your assets may not sound enticing. But a will puts the power in your hands. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan.