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 Are Subscriptions Cutting into Your Retirement Savings? While some subscriptions can enhance your daily routines, they can also sneakily erode your retirement savings. Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. Saving for College 101 Here’s a crash course on saving for college.