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 Don’t Myth Out on Whole Life Whole life insurance can help protect what matters most: your family, your assets, and your legacy. The Lowdown on Those Free Credit Scores What’s the deal with your yearly free credit report? Retirement Victory Lap A confident retirement begins with a plan.