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 Question Thank you! Oops! Related Content Contributing to an IRA? Determine if you are eligible to contribute to a traditional or Roth IRA. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less.