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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Don't Myth Out on Whole Life There are a lot of myths around whole life. Get the facts here. Should You Ever Retire? A growing number of Americans are pushing back the age at which they plan to retire. Or deciding not to retire at all.