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 Message Thank you! Oops! Related Content Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. When to Self-Insure Choosing to bear the financial burden of an adverse event is called self-insuring. Do you know what that entails? Bursting the Bubble Tulips were the first, but they won’t be the last. What forms a “bubble” and what causes them to burst?