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 Question Thank you! Oops! Related Content A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out.