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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content How to Make Smart Debt Decisions Making smarter decisions about debt can help you reduce stress. Home Ownership by the Numbers Tips on home-buying for Millennials. The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice.