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 Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. When Do You Need a Will? When do you need a will? The answer is easy: Right Now. The Three Keys to a Great Password Have fun and learn how to craft the perfect password with the help of this highly engaging infographic.