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 This Is Your Brain on Retirement The brain is a powerful thing, but when it comes to preparing for something that is far in the distance like retirement, it can easily be led astray — and result in some big retirement planning mistakes. The Half Million Dollar Baby The true cost of raising a child may be far more than you expect. Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k).