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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Keep Your Credit Score on the Upswing Your FICO score matters more than you may realize. Tax Deductions You Won't Believe Here are some examples of deductions from the IRS that were permitted and some that were, uh, too creative. Money that Buys Good Health is Never Ill Spent It's important to make sure your retirement strategy anticipates health-care expenses.