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 Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. What to Do When You Lose Your Wallet Ever lost your wallet? Frustrating. Here’s what you can do to keep yourself safe. Preparing for the Expected You can plan ahead to protect yourself and your family against the financial consequences of deteriorating health.