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 Do You Owe The AMT? If you want to avoid potential surprises at tax time, it may make sense to know where you stand when it comes to the AMT. Potential Income from an IRA Estimate your monthly and annual income from various IRA types. Estate Management 101 A will may be only one of the documents you need—and one factor to consider—when it comes to managing your estate.