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 Managing the Risk of Outliving Your Money Steps to help you sustain and grow your retirement savings. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. Consider Keeping Your Life Insurance When You Retire Reasons to retain your coverage into your retirement years.