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. Related Content Your Emergency Fund: How Much Is Enough? Having an emergency fund may help alleviate the stress and worry associated with a financial crisis. Social Security: Five Facts You Need to Know Here are five facts about Social Security that are important to keep in mind. From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history.