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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Separating the Signal From the Noise A good professional provides important guidance and insight through the years. Perception vs. Reality There’s an alarming difference between perception and reality for current and future retirees.