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 Social Security: The 64,000 Dollar Question One of the most common questions people ask about Social Security is when they should start taking benefits. 401(k) Plans Are Not Just for Big Businesses Many small businesses are one person businesses. Father Knows Best Financial behaviors you learned from dad may be influencing your own confidence in managing money.