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 Charitable Giving: Smart from the Heart Do you have causes that you want to support with donations? 4 Steps to Protecting a Child with Disabilities Planning for a child with special needs can be complicated, confusing, and even overwhelming. Six Surprising Facts About Retirement Confidence This attention-grabbing infographic covers retirement topics you may not have considered.