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 Is a SEP-IRA Right for Your Business? For some, the idea of establishing a retirement strategy evokes worries about complicated reporting and administration. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Healthcare Costs in Retirement Without a solid approach, healthcare expenses may add up quickly and potentially alter your spending.