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 Your DNA Test Preparing for the unexpected can make all the difference if your family relies on your income. What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability. To Buy or Not to Buy The decision whether to buy or rent a home may have long-term implications.