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 Saving for College This calculator can help you estimate how much you should be saving for college. Do Our Biases Affect Our Financial Choices? Even the most seasoned investors have biases affecting their financial choices. 9 Facts About Retirement Regardless of how you approach retirement, there are some things about it that might surprise you.