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 18 Years’ Worth of Days The average retirement lasts for 18 years, with many lasting even longer. Will you fill your post-retirement days with purpose? Leveraging Whole Life to Pass on Wealth Using whole life to transfer wealth when it comes to paying estate taxes Asset Allocation Consider how your assets are allocated and if that allocation is consistent with your time frame and risk tolerance.