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 The ABCs of Zero Coupon Bonds Understanding some basic concepts may help you assess whether zero-coupon bonds have a place in your portfolio. Inflation & Retirement Estimate how much income may be needed at retirement to maintain your standard of living. Medicare Advantage 101 Overview of Medicare Advantage, what’s in them, special rules, and more.