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 Inflation and the Real Rate of Return Learn about the role of inflation when considering your portfolio’s rate of return with this helpful article. When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Inflation & Your Money It's important to understand how inflation is reported and how it can affect investments.