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 Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college. 5 Benefits of Working in Retirement Here are 5 reason why you may consider working through retirement. Prevent a Rift: Money Tips for Newlyweds Couples may be able to head off many of the problems in a marriage that money can cause.