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 Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way. Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card. Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions.