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 Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. Data Breach: Your Security To-Do List This article provides a checklist of steps to take if you experience a data breach. Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money.