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 Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. A House Divided By understanding a few key concepts during a divorce, you may be able to avoid common pitfalls. Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are?