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 Tax Efficiency in Retirement What role would taxes play in your investment decisions? Bull & Bear Markets: A Timeline This helpful infographic will define bull and bear markets, as well as give a historical overview. Healthcare Costs in Retirement Without a solid approach, healthcare expenses may add up quickly and potentially alter your spending.