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 Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. Why Medicare Should Be Part of Your Retirement Strategy How Medicare can address health care needs in your retirement strategy. 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.