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 Message Thank you! Oops! Related Content Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. Six Most Overlooked Tax Deductions Six overlooked tax deductions to help manage your tax bill. Understanding Marginal Income Tax Brackets An inside look at how marginal income tax brackets work.