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 The ABCs of Zero Coupon Bonds Understanding some basic concepts may help you assess whether zero-coupon bonds have a place in your portfolio. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Three Key Questions to Answer Before Taking Social Security When to start? Should I continue to work? How can I maximize my benefit?