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 Power of Compound Interest Learn how to harness the power of compound interest for your investments. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits. Helpful Retirement Strategies for Women Learn how to address the challenges that women face when planning for retirement.