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 When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. Bridging the Confidence Gap In the world of finance, the effects of the "confidence gap" can be especially apparent.