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 Social Security: Maximizing Benefits There are other ways to maximize Social Security benefits, in addition to waiting to claim them. What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement. Extended Care: A Patchwork of Possibilities What is your plan for health care during retirement?