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? Address Thank you! Oops! Related Contents Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money. Tax Management Strategies Learn more about taxes, tax-favored investing, and tax strategies.