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 4 Things to Consider While You’re Planning When to Retire As the decision to retire approaches, you’ll find the choice of when to retire is rarely black and white. Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. Travel, Without the Baggage Tips to avoid checking in luggage on your next vacation.