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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Understanding the Basics of Medigap Policies Important as it is, Medicare does not cover the full range of health-care expenses you may experience in your golden years. Insurance Needs Assessment: Married With Children When you’re married and have children, insurance needs will be different. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan.