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 Leaving Your Lasting Legacy Want to do more with your wealth? You might want to consider creating a charitable foundation. A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government. 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.