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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content How Income Taxes Work A quick look at how federal income taxes work. Saving Early & Letting Time Work For You The earlier you start pursuing financial goals, the better your outcome may be. Diversification, Patience, and Consistency Three important factors when it comes to your financial life.