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 Life and Death of a Twenty Dollar Bill How long does a $20 bill last? How to Retire Early Retiring early sounds like a dream come true, but it’s important to take a look at the cold, hard facts. Managing Money as a Couple Keys to preparing to grow wealthy together.