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 Self-Employed Retirement Plans Estimate the maximum contribution amount for a Self-Employed 401(k), SIMPLE IRA, or SEP. Medicare Advantage 101 Overview of Medicare Advantage, what’s in them, special rules, and more. Should I Buy or Lease an Auto? This calculator compares the financial impact of leasing versus buying an automobile.