Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. 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 IRA Withdrawals that Escape the 10% Tax Penalty The list of IRA withdrawals that may be taken without incurring a 10% early penalty has grown. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. Financial Aid for Students 101 Help your college-bound child explore scholarships, grants, and more with this article on paying for higher education.