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 Question Thank you! Oops! Related Content To Catch a Thief Having your identity stolen may result in financial loss plus the cost of trying to restore your good name. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits. Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process.