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 Making a Charitable Contribution There are benefits and limitations when you decide to donate stock. Should You Borrow from Your 401(k)? Does it make sense to borrow from my 401(k) to pay off debt or to make a major purchase? Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college.