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 Ways to Supplement Your Medicare Coverage There are numerous ways to supplement your Medicare insurance coverage. This article helps you explore your options. Inventorying Your Possessions Creating an inventory of your possessions can save you time, money and aggravation in the event you someday suffer losses. Lifetime of Earnings Estimate how much you have the potential to earn during your working years.