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 RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two? Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement. Is Your Financial House Haunted? It’s nighttime, and you’re walking down a long, dark hallway with only a flashlight to guide you. Suddenly the light falls upon a horrifying sight — is it a creepy clown? Or a flesh-eating zombie? Oh no, it’s something far more ghastly.