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 Question Thank you! Oops! Related Content What’s Your Financial Planning Sign Discover your financial planning sign. Tax-Advantaged Retirement Planning Reduce your tax liability in retirement. What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month.