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 Question Thank you! Oops! Related Content The Latte Lie and Other Myths Check out this video to begin separating fact from fiction. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance.