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 And the Executor Is The right executor may help ensure the distribution of your assets is done with as little upheaval as possible. 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. What Can a Million Dollars Buy You? $1 million in a diversified portfolio could help finance part of your retirement.