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 How to Retire Early Retiring early sounds like a dream come true, but it’s important to take a look at the cold, hard facts. Are You Prepared for an Estate Tax Sunset? The federal estate tax exemption sunsets in 2025. Learn more about what to do to make the most of the higher threshold. Does Your Child Need to File an Income Tax Return? When your child has income, there’s a good chance that he or she will need to report it and pay taxes.