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 Question Thank you! Oops! Related Content What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement. A Meal for All Generations When it comes to generational differences, knowing the facts can be difficult. Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years.