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 Retirement and Quality of Life Asking the right questions about how you can save money for retirement without sacrificing your quality of life. When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Why Medicare Should Be Part of Your Retirement Strategy How Medicare can address health care needs in your retirement strategy.