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 Inflation and the Real Rate of Return Learn about the role of inflation when considering your portfolio’s rate of return with this helpful article. Medicare At 65+ 65 or older? It may be time to enroll in Medicare. Read to learn if you’re eligible. Please Leave Home Without It Concerns over identity theft continue to grow, especially with data breaches at major companies and financial institutions.