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 Retirement Seen Through Your Eyes What's your vision of retirement? Raising Healthy Children Healthy habits are one of the greatest gifts to give your child. Emotional vs. Strategic Decisions Information vs. instinct. Are your choices based on evidence of emotion?