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 Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan. Extended Care: A Patchwork of Possibilities What is your plan for health care during retirement? The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared?