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 Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. When Does Your Personal Car Become a Commercial Vehicle? At what point can you call a personal vehicle commercial? Behavioral Finance An amusing and whimsical look at behavioral finance best practices for investors.