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 Message Thank you! Oops! Related Content Where Will Your Retirement Money Come From? Retirement income may come from a variety of sources. Here's an overview of the six main sources. 401(k) Plans Are Not Just for Big Businesses Many small businesses are one person businesses. Do You Have Financial Vampires in Your Life? Financial vampires can take a lot out of you, are there any in your life?