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 Stop Wasting Money One way to find money is to examine your current spending habits and eliminate money wasters. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions.