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 Your Emergency Fund: How Much Is Enough? Having an emergency fund may help alleviate the stress and worry associated with a financial crisis. Emerging Market Opportunities What are your options for investing in emerging markets? The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you.