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 Insurance Needs Assessment: Married With Children When you’re married and have children, insurance needs will be different. How Income Taxes Work A quick look at how federal income taxes work. Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction.