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 Tuning Your Social Security Benefit When should you take your Social Security benefit? Bull and Bear Go To Market Learn about the difference between bulls and bears—markets, that is! Historical Inflation This calculator shows how inflation over the years has impacted purchasing power.