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 Retirement Questions That Have Nothing to Do With Money Things to consider before retirement. Bull and Bear Go To Market Learn about the difference between bulls and bears—markets, that is! Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors.