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 The Real Cost of a Vacation Home What if instead of buying that vacation home, you invested the money? The Cost of Procrastination Don't let procrastination keep you from pursuing your financial dreams and goals. Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years.