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 Is a Variable Annuity Right for Me? Pundits go on and on about how “terrible” or “wonderful” annuities are, but they never talk about whether annuities are right. How to Read Your Credit Report Solve a mystery while learning how important your credit report is with this story-driven interactive. Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment.