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. Related Content Term vs. Permanent Life Insurance When considering life insurance, it's important to understand your options. The Pros and Cons of an NUA Strategy Learn the advantages of a Net Unrealized Appreciation strategy with this helpful article. Consider Keeping Your Life Insurance When You Retire Reasons to retain your coverage into your retirement years.