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 Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money. Healthcare Costs in Retirement Without a solid approach, healthcare expenses may add up quickly and potentially alter your spending. What’s My 2024 Tax Bracket? Check out this handy reference of updated ranges from the IRS in case your designated bracket has changed.