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 Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. Should I Accept a Free Credit Lock? Learn the ins and outs of credit locks, freezes, and more. Retirement Is a Beginning Key questions to answer when you are considering retirement.