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 Tax Deductions: Catch Them All! Most of us pay too much in taxes because we aren’t aware of all the tax deductions available. Here’s the Retirement Crystal Ball You’ve Been Waiting For Making retirement calculations isn’t about perfection; it’s about helping you prepare confidently. Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment.