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 Question Thank you! Oops! Related Content Infographic: The Whole Story of Dividends The whole story of dividends What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability. Four Steps to Valuing an Estate Determining the value of your estate, or for someone who has passed away, can be a complex undertaking.