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 Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage. The ABCs of Zero Coupon Bonds Understanding some basic concepts may help you assess whether zero-coupon bonds have a place in your portfolio. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important.