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 What You Need to Know about Tax-Loss Harvesting While tax-loss harvesting won't eliminate your taxes, it may offset what you owe on your taxable investment accounts. Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. Women and Financial Strategies Most women don’t shy away from the day-to-day financial decisions, but some may be leaving their future to chance.