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 | Related Content Will You Pay the AMT? Despite recent tax-law changes, many Americans are expected to pay the AMT this year. 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.