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 Question Thank you! Oops! Related Content All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever. Test Your Life Insurance Knowledge How much do you know about one of the most important tools you have to help protect your and your family’s financial future? Inflation & Retirement Estimate how much income may be needed at retirement to maintain your standard of living.