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 Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. Spotting Credit Trouble The wise use of credit is a critical skill. These 10 questions will help you assess your skill level. Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return.