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 Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement. Bi-Weekly Payments This calculator estimates the savings from paying a mortgage bi-weekly instead of monthly. Spotting Credit Trouble The wise use of credit is a critical skill. These 10 questions will help you assess your skill level.