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? Address Thank you! Oops! Related Contents Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. Six Most Overlooked Tax Deductions Six overlooked tax deductions to help manage your tax bill. Tax Management Strategies Learn more about taxes, tax-favored investing, and tax strategies.