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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content The Next Gig Thing Make the gig economy work for you. Gift Giving: Spend Less, Enjoy More Stressed about the cost of holiday gift giving? You’re not alone. Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives.