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. The Power of Compound Interest Learn how to harness the power of compound interest for your investments. Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate.