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 9 Facts About Social Security There are things about Social Security that might surprise you. TIPS for Inflation If you are concerned about inflation and expect short-term interest rates may increase, TIPS could be worth considering. Retirement Is a Beginning Key questions to answer when you are considering retirement.