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 16 Wall Street Cliches in 60 Seconds Pundits say a lot of things about the markets. Let's see if you can keep up. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. 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.