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 Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need. Raising Healthy Children Healthy habits are one of the greatest gifts to give your child. Variable Universal Life Insurance Variable Universal Life is permanent insurance in which the policyholder directs how premiums are invested.