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 The Sequence of Returns A look at how variable rates of return impact investors over time. Should I Buy or Lease an Auto? This calculator compares the financial impact of leasing versus buying an automobile. Insurance Needs Assessment: Married With Children When you’re married and have children, insurance needs will be different.