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 What to Look for in an Extended-Care Policy Here’s a list of 8 questions to ask that may help you better understand the costs and benefits of extended-care insurance. Benefits of Life Insurance Discover the benefits whole life can provide during your different life stages. What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA.