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 How Stocks Work Understanding how a stock works is key to understanding your investments. Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less. Trends in Charitable Giving Some people may want a more advanced gifting strategy that can maximize their gift and generate potential tax benefits.